Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1817 insertions, 0 deletions

diff --git a/browser/installer/windows/nsis/shared.nsh b/browser/installer/windows/nsis/shared.nsh
new file mode 100755
index 0000000000..2df14e8cf9
--- /dev/null
+++ b/browser/installer/windows/nsis/shared.nsh
@@ -0,0 +1,1817 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+; Generated by DeriveCapabilitySidsFromName with the name "lpacFirefoxInstallFiles"
+!define LpacFirefoxInstallFilesSid "S-1-15-3-1024-1238444810-1356253261-2257478630-1143196962-1563090664-2414759320-1282101916-4218287853"
+
+!macro PostUpdate
+  ${CreateShortcutsLog}
+
+  ; Remove registry entries for non-existent apps and for apps that point to our
+  ; install location in the Software\Mozilla key and uninstall registry entries
+  ; that point to our install location for both HKCU and HKLM.
+  SetShellVarContext current  ; Set SHCTX to the current user (e.g. HKCU)
+  ${RegCleanMain} "Software\Mozilla"
+  ${RegCleanUninstall}
+  ${UpdateProtocolHandlers}
+
+  ; setup the application model id registration value
+  ${InitHashAppModelId} "$INSTDIR" "Software\Mozilla\${AppName}\TaskBarIDs"
+
+  ClearErrors
+  WriteRegStr HKLM "Software\Mozilla" "${BrandShortName}InstallerTest" "Write Test"
+  ${If} ${Errors}
+    StrCpy $TmpVal "HKCU"
+  ${Else}
+    SetShellVarContext all    ; Set SHCTX to all users (e.g. HKLM)
+    DeleteRegValue HKLM "Software\Mozilla" "${BrandShortName}InstallerTest"
+    StrCpy $TmpVal "HKLM"
+    ${RegCleanMain} "Software\Mozilla"
+    ${RegCleanUninstall}
+    ${UpdateProtocolHandlers}
+    ${FixShellIconHandler} "HKLM"
+    ${SetAppLSPCategories} ${LSP_CATEGORIES}
+
+    ; Add the Firewall entries after an update
+    Call AddFirewallEntries
+
+    ReadRegStr $0 HKLM "Software\mozilla.org\Mozilla" "CurrentVersion"
+    ${If} "$0" != "${GREVersion}"
+      WriteRegStr HKLM "Software\mozilla.org\Mozilla" "CurrentVersion" "${GREVersion}"
+    ${EndIf}
+  ${EndIf}
+
+  ; Adds a pinned Task Bar shortcut (see MigrateTaskBarShortcut for details).
+  ; When we enabled this feature for Windows 10 & 11 we decided _not_ to pin
+  ; during an update (even once) because we already offered to do when the
+  ; the user originally installed, and we don't want to go against their
+  ; explicit wishes.
+  ; For Windows 7 and 8, we've been doing this ~forever, and those users may
+  ; not have experienced the onboarding offer to pin to taskbar, so we're
+  ; leaving it enabled there.
+  ${If} ${AtMostWin2012R2}
+    ${MigrateTaskBarShortcut} "$AddTaskbarSC"
+  ${EndIf}
+
+  ; Update the name/icon/AppModelID of our shortcuts as needed, then update the
+  ; lastwritetime of the Start Menu shortcut to clear the tile icon cache.
+  ; Do this for both shell contexts in case the user has shortcuts in multiple
+  ; locations, then restore the previous context at the end.
+  SetShellVarContext all
+  ${UpdateShortcutsBranding}
+  ${If} ${AtLeastWin8}
+    ${TouchStartMenuShortcut}
+  ${EndIf}
+  Call FixShortcutAppModelIDs
+  SetShellVarContext current
+  ${UpdateShortcutsBranding}
+  ${If} ${AtLeastWin8}
+    ${TouchStartMenuShortcut}
+  ${EndIf}
+  Call FixShortcutAppModelIDs
+  ${If} $TmpVal == "HKLM"
+    SetShellVarContext all
+  ${ElseIf} $TmpVal == "HKCU"
+    SetShellVarContext current
+  ${EndIf}
+
+  ${RemoveDeprecatedKeys}
+  ${Set32to64DidMigrateReg}
+
+  ${SetAppKeys}
+  ${FixClassKeys}
+  ${SetUninstallKeys}
+  ${If} $TmpVal == "HKLM"
+    ${SetStartMenuInternet} HKLM
+  ${ElseIf} $TmpVal == "HKCU"
+    ${SetStartMenuInternet} HKCU
+  ${EndIf}
+
+  ; Remove files that may be left behind by the application in the
+  ; VirtualStore directory.
+  ${CleanVirtualStore}
+
+  ${RemoveDeprecatedFiles}
+
+  ; Fix the distribution.ini file if applicable
+  ${FixDistributionsINI}
+
+  ; https://bugzilla.mozilla.org/show_bug.cgi?id=1616355
+  ; Migrate postSigningData file if present, and if it doesn't already exist.
+  ${GetLocalAppDataFolder} $0
+  ${If} ${FileExists} "$INSTDIR\postSigningData"
+    ; If it already exists, just delete the appdata one.
+    ; It's possible this was for a different install, but it's impossible to
+    ; know for sure, so we may as well just get rid of it.
+    Delete /REBOOTOK "$0\Mozilla\Firefox\postSigningData"
+  ${Else}
+    ${If} ${FileExists} "$0\Mozilla\Firefox\postSigningData"
+      Rename "$0\Mozilla\Firefox\postSigningData" "$INSTDIR\postSigningData"
+    ${EndIf}
+  ${EndIf}
+
+  RmDir /r /REBOOTOK "$INSTDIR\${TO_BE_DELETED}"
+
+  ; Register AccessibleMarshal.dll with COM (this requires write access to HKLM)
+  ${RegisterAccessibleMarshal}
+
+  ; Record the Windows Error Reporting module
+  WriteRegDWORD HKLM "SOFTWARE\Microsoft\Windows\Windows Error Reporting\RuntimeExceptionHelperModules" "$INSTDIR\mozwer.dll" 0
+
+  ${If} ${AtLeastWin10}
+    ; Apply LPAC permissions to install directory.
+    Push "Marker"
+    AccessControl::GrantOnFile \
+      "$INSTDIR" "(${LpacFirefoxInstallFilesSid})" "GenericRead + GenericExecute"
+    Pop $TmpVal ; get "Marker" or error msg
+    ${If} $TmpVal != "Marker"
+      Pop $TmpVal ; get "Marker"
+    ${EndIf}
+  ${EndIf}
+
+!ifdef MOZ_MAINTENANCE_SERVICE
+  Call IsUserAdmin
+  Pop $R0
+  ${If} $R0 == "true"
+  ; Only proceed if we have HKLM write access
+  ${AndIf} $TmpVal == "HKLM"
+    ; We check to see if the maintenance service install was already attempted.
+    ; Since the Maintenance service can be installed either x86 or x64,
+    ; always use the 64-bit registry for checking if an attempt was made.
+    ${If} ${RunningX64}
+    ${OrIf} ${IsNativeARM64}
+      SetRegView 64
+    ${EndIf}
+    ReadRegDWORD $5 HKLM "Software\Mozilla\MaintenanceService" "Attempted"
+    ClearErrors
+    ${If} ${RunningX64}
+    ${OrIf} ${IsNativeARM64}
+      SetRegView lastused
+    ${EndIf}
+
+    ; Add the registry keys for allowed certificates.
+    ${AddMaintCertKeys}
+
+    ; If the maintenance service is already installed, do nothing.
+    ; The maintenance service will launch:
+    ; maintenanceservice_installer.exe /Upgrade to upgrade the maintenance
+    ; service if necessary.   If the update was done from updater.exe without
+    ; the service (i.e. service is failing), updater.exe will do the update of
+    ; the service.  The reasons we do not do it here is because we don't want
+    ; to have to prompt for limited user accounts when the service isn't used
+    ; and we currently call the PostUpdate twice, once for the user and once
+    ; for the SYSTEM account.  Also, this would stop the maintenance service
+    ; and we need a return result back to the service when run that way.
+    ${If} $5 == ""
+      ; An install of maintenance service was never attempted.
+      ; We know we are an Admin and that we have write access into HKLM
+      ; based on the above checks, so attempt to just run the EXE.
+      ; In the worst case, in case there is some edge case with the
+      ; IsAdmin check and the permissions check, the maintenance service
+      ; will just fail to be attempted to be installed.
+      nsExec::Exec "$\"$INSTDIR\maintenanceservice_installer.exe$\""
+    ${EndIf}
+  ${EndIf}
+!endif
+
+!ifdef MOZ_LAUNCHER_PROCESS
+  ${ResetLauncherProcessDefaults}
+!endif
+
+  ${If} ${AtLeastWin10}
+    ${WriteToastNotificationRegistration} $TmpVal
+  ${EndIf}
+
+; Make sure the scheduled task registration for the default browser agent gets
+; updated, but only if we're not the instance of PostUpdate that was started
+; by the service, because this needs to run as the actual user. Also, don't do
+; that if the installer was told not to register the agent task at all.
+!ifdef MOZ_DEFAULT_BROWSER_AGENT
+${If} $TmpVal == "HKCU"
+  ClearErrors
+  ReadRegDWORD $0 HKCU "Software\Mozilla\${AppName}\Installer\$AppUserModelID" \
+                    "DidRegisterDefaultBrowserAgent"
+  ${If} $0 != 0
+  ${OrIf} ${Errors}
+    ExecWait '"$INSTDIR\default-browser-agent.exe" register-task $AppUserModelID'
+  ${EndIf}
+${ElseIf} $TmpVal == "HKLM"
+  ; If we're the privileged PostUpdate, make sure that the unprivileged one
+  ; will have permission to create a task by clearing out the old one first.
+  ExecWait '"$INSTDIR\default-browser-agent.exe" unregister-task $AppUserModelID'
+${EndIf}
+!endif
+
+${RemoveDefaultBrowserAgentShortcut}
+!macroend
+!define PostUpdate "!insertmacro PostUpdate"
+
+; Update the last modified time on the Start Menu shortcut, so that its icon
+; gets refreshed. Should be called on Win8+ after UpdateShortcutBranding.
+!macro TouchStartMenuShortcut
+  ${If} ${FileExists} "$SMPROGRAMS\${BrandShortName}.lnk"
+    FileOpen $0 "$SMPROGRAMS\${BrandShortName}.lnk" a
+    ${IfNot} ${Errors}
+      System::Call '*(i, i) p .r1'
+      System::Call 'kernel32::GetSystemTimeAsFileTime(p r1)'
+      System::Call 'kernel32::SetFileTime(p r0, i 0, i 0, p r1) i .r2'
+      System::Free $1
+      FileClose $0
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define TouchStartMenuShortcut "!insertmacro TouchStartMenuShortcut"
+
+!macro AddPrivateBrowsingShortcut
+  ${IfNot} ${FileExists} "$SMPROGRAMS\$(PRIVATE_BROWSING_SHORTCUT_TITLE).lnk"
+    CreateShortcut "$SMPROGRAMS\$(PRIVATE_BROWSING_SHORTCUT_TITLE).lnk" "$INSTDIR\${PrivateBrowsingEXE}" "" "$INSTDIR\${PrivateBrowsingEXE}" ${IDI_PBICON_PB_EXE_ZERO_BASED}
+    ShellLink::SetShortcutWorkingDirectory "$SMPROGRAMS\$(PRIVATE_BROWSING_SHORTCUT_TITLE).lnk" "$INSTDIR"
+    ShellLink::SetShortcutDescription "$SMPROGRAMS\$(PRIVATE_BROWSING_SHORTCUT_TITLE).lnk" "$(PRIVATE_BROWSING_SHORTCUT_TITLE)"
+    ApplicationID::Set "$SMPROGRAMS\$(PRIVATE_BROWSING_SHORTCUT_TITLE).lnk" "$AppUserModelID;PrivateBrowsingAUMID" "true"
+    ${LogStartMenuShortcut} "$(PRIVATE_BROWSING_SHORTCUT_TITLE).lnk"
+  ${EndIf}
+!macroend
+!define AddPrivateBrowsingShortcut "!insertmacro AddPrivateBrowsingShortcut"
+
+!macro SetAsDefaultAppGlobal
+  ${RemoveDeprecatedKeys} ; Does not use SHCTX
+
+  SetShellVarContext all      ; Set SHCTX to all users (e.g. HKLM)
+  ${SetHandlers} ; Uses SHCTX
+  ${SetStartMenuInternet} "HKLM"
+  ${FixShellIconHandler} "HKLM"
+  ${ShowShortcuts}
+!macroend
+!define SetAsDefaultAppGlobal "!insertmacro SetAsDefaultAppGlobal"
+
+; Removes shortcuts for this installation. This should also remove the
+; application from Open With for the file types the application handles
+; (bug 370480).
+!macro HideShortcuts
+  ; Find the correct registry path to clear IconsVisible.
+  StrCpy $R1 "Software\Clients\StartMenuInternet\${AppRegName}-$AppUserModelID\InstallInfo"
+  ReadRegDWORD $0 HKLM "$R1" "ShowIconsCommand"
+  ${If} ${Errors}
+    ${StrFilter} "${FileMainEXE}" "+" "" "" $0
+    StrCpy $R1 "Software\Clients\StartMenuInternet\$0\InstallInfo"
+  ${EndIf}
+  WriteRegDWORD HKLM "$R1" "IconsVisible" 0
+  ${If} ${AtLeastWin8}
+    WriteRegDWORD HKCU "$R1" "IconsVisible" 0
+  ${EndIf}
+
+  SetShellVarContext all  ; Set $DESKTOP to All Users
+  ${Unless} ${FileExists} "$DESKTOP\${BrandShortName}.lnk"
+    SetShellVarContext current  ; Set $DESKTOP to the current user's desktop
+  ${EndUnless}
+
+  ${If} ${FileExists} "$DESKTOP\${BrandShortName}.lnk"
+    ShellLink::GetShortCutArgs "$DESKTOP\${BrandShortName}.lnk"
+    Pop $0
+    ${If} "$0" == ""
+      ShellLink::GetShortCutTarget "$DESKTOP\${BrandShortName}.lnk"
+      Pop $0
+      ${GetLongPath} "$0" $0
+      ${If} "$0" == "$INSTDIR\${FileMainEXE}"
+        Delete "$DESKTOP\${BrandShortName}.lnk"
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+
+  SetShellVarContext all  ; Set $SMPROGRAMS to All Users
+  ${Unless} ${FileExists} "$SMPROGRAMS\${BrandShortName}.lnk"
+    SetShellVarContext current  ; Set $SMPROGRAMS to the current user's Start
+                                ; Menu Programs directory
+  ${EndUnless}
+
+  ${If} ${FileExists} "$SMPROGRAMS\${BrandShortName}.lnk"
+    ShellLink::GetShortCutArgs "$SMPROGRAMS\${BrandShortName}.lnk"
+    Pop $0
+    ${If} "$0" == ""
+      ShellLink::GetShortCutTarget "$SMPROGRAMS\${BrandShortName}.lnk"
+      Pop $0
+      ${GetLongPath} "$0" $0
+      ${If} "$0" == "$INSTDIR\${FileMainEXE}"
+        Delete "$SMPROGRAMS\${BrandShortName}.lnk"
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+
+  ${If} ${FileExists} "$QUICKLAUNCH\${BrandShortName}.lnk"
+    ShellLink::GetShortCutArgs "$QUICKLAUNCH\${BrandShortName}.lnk"
+    Pop $0
+    ${If} "$0" == ""
+      ShellLink::GetShortCutTarget "$QUICKLAUNCH\${BrandShortName}.lnk"
+      Pop $0
+      ${GetLongPath} "$0" $0
+      ${If} "$0" == "$INSTDIR\${FileMainEXE}"
+        Delete "$QUICKLAUNCH\${BrandShortName}.lnk"
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define HideShortcuts "!insertmacro HideShortcuts"
+
+; Adds shortcuts for this installation. This should also add the application
+; to Open With for the file types the application handles (bug 370480).
+!macro ShowShortcuts
+  ; Find the correct registry path to set IconsVisible.
+  StrCpy $R1 "Software\Clients\StartMenuInternet\${AppRegName}-$AppUserModelID\InstallInfo"
+  ReadRegDWORD $0 HKLM "$R1" "ShowIconsCommand"
+  ${If} ${Errors}
+    ${StrFilter} "${FileMainEXE}" "+" "" "" $0
+    StrCpy $R1 "Software\Clients\StartMenuInternet\$0\InstallInfo"
+  ${EndIf}
+  WriteRegDWORD HKLM "$R1" "IconsVisible" 1
+  ${If} ${AtLeastWin8}
+    WriteRegDWORD HKCU "$R1" "IconsVisible" 1
+  ${EndIf}
+
+  SetShellVarContext all  ; Set $DESKTOP to All Users
+  ${Unless} ${FileExists} "$DESKTOP\${BrandShortName}.lnk"
+    CreateShortCut "$DESKTOP\${BrandShortName}.lnk" "$INSTDIR\${FileMainEXE}"
+    ${If} ${FileExists} "$DESKTOP\${BrandShortName}.lnk"
+      ShellLink::SetShortCutWorkingDirectory "$DESKTOP\${BrandShortName}.lnk" "$INSTDIR"
+      ${If} ${AtLeastWin7}
+      ${AndIf} "$AppUserModelID" != ""
+        ApplicationID::Set "$DESKTOP\${BrandShortName}.lnk" "$AppUserModelID" "true"
+      ${EndIf}
+    ${Else}
+      SetShellVarContext current  ; Set $DESKTOP to the current user's desktop
+      ${Unless} ${FileExists} "$DESKTOP\${BrandShortName}.lnk"
+        CreateShortCut "$DESKTOP\${BrandShortName}.lnk" "$INSTDIR\${FileMainEXE}"
+        ${If} ${FileExists} "$DESKTOP\${BrandShortName}.lnk"
+          ShellLink::SetShortCutWorkingDirectory "$DESKTOP\${BrandShortName}.lnk" \
+                                                 "$INSTDIR"
+          ${If} ${AtLeastWin7}
+          ${AndIf} "$AppUserModelID" != ""
+            ApplicationID::Set "$DESKTOP\${BrandShortName}.lnk" "$AppUserModelID" "true"
+          ${EndIf}
+        ${EndIf}
+      ${EndUnless}
+    ${EndIf}
+  ${EndUnless}
+
+  SetShellVarContext all  ; Set $SMPROGRAMS to All Users
+  ${Unless} ${FileExists} "$SMPROGRAMS\${BrandShortName}.lnk"
+    CreateShortCut "$SMPROGRAMS\${BrandShortName}.lnk" "$INSTDIR\${FileMainEXE}"
+    ${If} ${FileExists} "$SMPROGRAMS\${BrandShortName}.lnk"
+      ShellLink::SetShortCutWorkingDirectory "$SMPROGRAMS\${BrandShortName}.lnk" \
+                                             "$INSTDIR"
+      ${If} ${AtLeastWin7}
+      ${AndIf} "$AppUserModelID" != ""
+        ApplicationID::Set "$SMPROGRAMS\${BrandShortName}.lnk" "$AppUserModelID" "true"
+      ${EndIf}
+    ${Else}
+      SetShellVarContext current  ; Set $SMPROGRAMS to the current user's Start
+                                  ; Menu Programs directory
+      ${Unless} ${FileExists} "$SMPROGRAMS\${BrandShortName}.lnk"
+        CreateShortCut "$SMPROGRAMS\${BrandShortName}.lnk" "$INSTDIR\${FileMainEXE}"
+        ${If} ${FileExists} "$SMPROGRAMS\${BrandShortName}.lnk"
+          ShellLink::SetShortCutWorkingDirectory "$SMPROGRAMS\${BrandShortName}.lnk" \
+                                                 "$INSTDIR"
+          ${If} ${AtLeastWin7}
+          ${AndIf} "$AppUserModelID" != ""
+            ApplicationID::Set "$SMPROGRAMS\${BrandShortName}.lnk" "$AppUserModelID" "true"
+          ${EndIf}
+        ${EndIf}
+      ${EndUnless}
+    ${EndIf}
+  ${EndUnless}
+
+  ; Windows 7 doesn't use the QuickLaunch directory
+  ${Unless} ${AtLeastWin7}
+  ${AndUnless} ${FileExists} "$QUICKLAUNCH\${BrandShortName}.lnk"
+    CreateShortCut "$QUICKLAUNCH\${BrandShortName}.lnk" \
+                   "$INSTDIR\${FileMainEXE}"
+    ${If} ${FileExists} "$QUICKLAUNCH\${BrandShortName}.lnk"
+      ShellLink::SetShortCutWorkingDirectory "$QUICKLAUNCH\${BrandShortName}.lnk" \
+                                             "$INSTDIR"
+    ${EndIf}
+  ${EndUnless}
+!macroend
+!define ShowShortcuts "!insertmacro ShowShortcuts"
+
+; Update the branding name on all shortcuts our installer created
+; to convert from BrandFullName (which is what we used to name shortcuts)
+; to BrandShortName (which is what we now name shortcuts). We only rename
+; desktop and start menu shortcuts, because touching taskbar pins often
+; (but inconsistently) triggers various broken behaviors in the shell.
+; This assumes SHCTX is set correctly.
+!macro UpdateShortcutsBranding
+  ${UpdateOneShortcutBranding} "STARTMENU" "$SMPROGRAMS"
+  ${UpdateOneShortcutBranding} "DESKTOP" "$DESKTOP"
+!macroend
+!define UpdateShortcutsBranding "!insertmacro UpdateShortcutsBranding"
+
+!macro UpdateOneShortcutBranding LOG_SECTION SHORTCUT_DIR
+  ; Only try to rename the shortcuts found in the shortcuts log, to avoid
+  ; blowing away a name that the user created.
+  ${GetLongPath} "$INSTDIR\uninstall\${SHORTCUTS_LOG}" $R9
+  ${If} ${FileExists} "$R9"
+    ClearErrors
+    ; The shortcuts log contains a numbered list of entries for each section,
+    ; but we never actually create more than one.
+    ReadINIStr $R8 "$R9" "${LOG_SECTION}" "Shortcut0"
+    ${IfNot} ${Errors}
+      ${If} ${FileExists} "${SHORTCUT_DIR}\$R8"
+        ShellLink::GetShortCutTarget "${SHORTCUT_DIR}\$R8"
+        Pop $R7
+        ${GetLongPath} "$R7" $R7
+        ${If} $R7 == "$INSTDIR\${FileMainEXE}"
+        ${AndIf} $R8 != "${BrandShortName}.lnk"
+        ${AndIfNot} ${FileExists} "${SHORTCUT_DIR}\${BrandShortName}.lnk"
+          ClearErrors
+          Rename "${SHORTCUT_DIR}\$R8" "${SHORTCUT_DIR}\${BrandShortName}.lnk"
+          ${IfNot} ${Errors}
+            ; Update the shortcut log manually instead of calling LogShortcut
+            ; because it would add a Shortcut1 entry, and we really do want to
+            ; overwrite the existing entry 0, since we just renamed the file.
+            WriteINIStr "$R9" "${LOG_SECTION}" "Shortcut0" \
+                        "${BrandShortName}.lnk"
+          ${EndIf}
+        ${EndIf}
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define UpdateOneShortcutBranding "!insertmacro UpdateOneShortcutBranding"
+
+; Remove a shortcut unintentionally added by the default browser agent (bug 1672957, 1681207)
+!macro RemoveDefaultBrowserAgentShortcut
+  Push $0
+  Push $1
+  Push $2
+  Push $3
+
+  ; Get the current user's Start Menu Programs.
+  ${GetProgramsFolder} $1
+
+  ; The shortcut would have been named MOZ_BASE_NAME regardless of branding.
+  ; According to defines.nsi.in AppName should match application.ini, and application.ini.in sets
+  ; [App] Name from MOZ_BASE_NAME.
+  StrCpy $1 "$1\${AppName}.lnk"
+  ShellLink::GetShortCutTarget $1
+  Pop $0
+
+  ; ShellLink::GetShortCutTarget, and the underlying IShellLink::GetPath(), have an issue
+  ; where "C:\Program Files" becomes "C:\Program Files (x86)" in some cases.
+  ; It should be OK to remove the shortcut (which matches our app name) even if it isn't from this
+  ; install, as long as the file name portion of the target path matches.
+  StrCpy $2 "\default-browser-agent.exe"
+  StrLen $3 $2
+  ; Select the substring to match from the end of the target path.
+  StrCpy $0 $0 $3 -$3
+  ${If} $0 == $2
+    Delete $1
+  ${EndIf}
+
+  Pop $3
+  Pop $2
+  Pop $1
+  Pop $0
+!macroend
+!define RemoveDefaultBrowserAgentShortcut "!insertmacro RemoveDefaultBrowserAgentShortcut"
+
+!macro AddAssociationIfNoneExist FILE_TYPE KEY
+  ClearErrors
+  EnumRegKey $7 HKCR "${FILE_TYPE}" 0
+  ${If} ${Errors}
+    WriteRegStr SHCTX "SOFTWARE\Classes\${FILE_TYPE}"  "" ${KEY}
+  ${EndIf}
+  WriteRegStr SHCTX "SOFTWARE\Classes\${FILE_TYPE}\OpenWithProgids" ${KEY} ""
+!macroend
+!define AddAssociationIfNoneExist "!insertmacro AddAssociationIfNoneExist"
+
+; Adds the protocol and file handler registry entries for making Firefox the
+; default handler (uses SHCTX).
+!macro SetHandlers
+  ${GetLongPath} "$INSTDIR\${FileMainEXE}" $8
+
+  ; See if we're using path hash suffixed registry keys for this install.
+  StrCpy $5 ""
+  ${StrFilter} "${FileMainEXE}" "+" "" "" $2
+  ReadRegStr $0 SHCTX "Software\Clients\StartMenuInternet\$2\DefaultIcon" ""
+  StrCpy $0 $0 -2
+  ${If} $0 != $8
+    StrCpy $5 "-$AppUserModelID"
+  ${EndIf}
+
+  StrCpy $0 "SOFTWARE\Classes"
+  StrCpy $2 "$\"$8$\" -osint -url $\"%1$\""
+
+  ; Associate the file handlers with FirefoxHTML, if they aren't already.
+  ReadRegStr $6 SHCTX "$0\.htm" ""
+  ${WordFind} "$6" "-" "+1{" $6
+  ${If} "$6" != "FirefoxHTML"
+    WriteRegStr SHCTX "$0\.htm"   "" "FirefoxHTML$5"
+  ${EndIf}
+
+  ReadRegStr $6 SHCTX "$0\.html" ""
+  ${WordFind} "$6" "-" "+1{" $6
+  ${If} "$6" != "FirefoxHTML"
+    WriteRegStr SHCTX "$0\.html"  "" "FirefoxHTML$5"
+  ${EndIf}
+
+  ReadRegStr $6 SHCTX "$0\.shtml" ""
+  ${WordFind} "$6" "-" "+1{" $6
+  ${If} "$6" != "FirefoxHTML"
+    WriteRegStr SHCTX "$0\.shtml" "" "FirefoxHTML$5"
+  ${EndIf}
+
+  ReadRegStr $6 SHCTX "$0\.xht" ""
+  ${WordFind} "$6" "-" "+1{" $6
+  ${If} "$6" != "FirefoxHTML"
+    WriteRegStr SHCTX "$0\.xht"   "" "FirefoxHTML$5"
+  ${EndIf}
+
+  ReadRegStr $6 SHCTX "$0\.xhtml" ""
+  ${WordFind} "$6" "-" "+1{" $6
+  ${If} "$6" != "FirefoxHTML"
+    WriteRegStr SHCTX "$0\.xhtml" "" "FirefoxHTML$5"
+  ${EndIf}
+
+
+  ; Keep this list synchronized with
+  ; https://searchfox.org/mozilla-central/source/browser/installer/windows/msix/AppxManifest.xml.in.
+  ; and `os.environment.launched_to_handle` and `os.environment.invoked_to_handle` telemetry in
+  ; https://searchfox.org/mozilla-central/source/browser/components/BrowserContentHandler.sys.mjs.
+  ${AddAssociationIfNoneExist} ".oga" "FirefoxHTML$5"
+  ${AddAssociationIfNoneExist} ".ogg" "FirefoxHTML$5"
+  ${AddAssociationIfNoneExist} ".ogv" "FirefoxHTML$5"
+  ${AddAssociationIfNoneExist} ".webm" "FirefoxHTML$5"
+  ${AddAssociationIfNoneExist} ".svg" "FirefoxHTML$5"
+  ${AddAssociationIfNoneExist} ".webp"  "FirefoxHTML$5"
+  ${AddAssociationIfNoneExist} ".avif" "FirefoxHTML$5"
+
+  ${AddAssociationIfNoneExist} ".pdf" "FirefoxPDF$5"
+
+  ; An empty string is used for the 5th param because FirefoxHTML- is not a
+  ; protocol handler.  Ditto for FirefoxPDF-.
+  ${AddDisabledDDEHandlerValues} "FirefoxHTML$5" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" \
+                                 "${AppRegName} HTML Document" ""
+
+  ${AddDisabledDDEHandlerValues} "FirefoxPDF$5" "$2" "$8,${IDI_DOCUMENT_PDF_ZERO_BASED}" \
+                                 "${AppRegName} PDF Document" ""
+
+  ${AddDisabledDDEHandlerValues} "FirefoxURL$5" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "${AppRegName} URL" \
+                                 "true"
+  ; An empty string is used for the 4th & 5th params because the following
+  ; protocol handlers already have a display name and the additional keys
+  ; required for a protocol handler.
+  ${AddDisabledDDEHandlerValues} "http" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "" ""
+  ${AddDisabledDDEHandlerValues} "https" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "" ""
+  ${AddDisabledDDEHandlerValues} "mailto" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "" ""
+!macroend
+!define SetHandlers "!insertmacro SetHandlers"
+
+!macro WriteApplicationsSupportedType RegKey Type
+  WriteRegStr ${RegKey} "Software\Classes\Applications\${FileMainEXE}\SupportedTypes" "${Type}" ""
+!macroend
+!define WriteApplicationsSupportedType "!insertmacro WriteApplicationsSupportedType"
+
+; Adds the HKLM\Software\Clients\StartMenuInternet\Firefox-[pathhash] registry
+; entries (does not use SHCTX).
+;
+; The values for StartMenuInternet are only valid under HKLM and there can only
+; be one installation registerred under StartMenuInternet per application since
+; the key name is derived from the main application executable.
+;
+; In Windows 8 this changes slightly, you can store StartMenuInternet entries in
+; HKCU.  The icon in start menu for StartMenuInternet is deprecated as of Win7,
+; but the subkeys are what's important.  Control panel default programs looks
+; for them only in HKLM pre win8.
+;
+; The StartMenuInternet key and friends are documented at
+; https://msdn.microsoft.com/en-us/library/windows/desktop/cc144109(v=vs.85).aspx
+;
+; This function also writes our RegisteredApplications entry, which gets us
+; listed in the Settings app's default browser options on Windows 8+, and in
+; Set Program Access and Defaults on earlier versions.
+!macro SetStartMenuInternet RegKey
+  ${GetLongPath} "$INSTDIR\${FileMainEXE}" $8
+  ${GetLongPath} "$INSTDIR\uninstall\helper.exe" $7
+
+  ; If we already have keys at the old FIREFOX.EXE path, then just update those.
+  ; We have to be careful to update the existing keys in place so that we don't
+  ; create duplicate keys for the same installation, or cause Windows to think
+  ; something "suspicious" has happened and it should reset the default browser.
+  ${StrFilter} "${FileMainEXE}" "+" "" "" $1
+  ReadRegStr $0 ${RegKey} "Software\Clients\StartMenuInternet\$1\DefaultIcon" ""
+  StrCpy $0 $0 -2
+  ${If} $0 != $8
+    StrCpy $1 "${AppRegName}-$AppUserModelID"
+    StrCpy $2 "-$AppUserModelID"
+  ${Else}
+    StrCpy $2 ""
+  ${EndIf}
+  StrCpy $0 "Software\Clients\StartMenuInternet\$1"
+
+  WriteRegStr ${RegKey} "$0" "" "${BrandFullName}"
+
+  WriteRegStr ${RegKey} "$0\DefaultIcon" "" "$8,${IDI_APPICON_ZERO_BASED}"
+
+  ; The Reinstall Command is defined at
+  ; http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/shell/programmersguide/shell_adv/registeringapps.asp
+  WriteRegStr ${RegKey} "$0\InstallInfo" "HideIconsCommand" "$\"$7$\" /HideShortcuts"
+  WriteRegStr ${RegKey} "$0\InstallInfo" "ShowIconsCommand" "$\"$7$\" /ShowShortcuts"
+  WriteRegStr ${RegKey} "$0\InstallInfo" "ReinstallCommand" "$\"$7$\" /SetAsDefaultAppGlobal"
+  WriteRegDWORD ${RegKey} "$0\InstallInfo" "IconsVisible" 1
+
+  WriteRegStr ${RegKey} "$0\shell\open\command" "" "$\"$8$\""
+
+  WriteRegStr ${RegKey} "$0\shell\properties" "" "$(CONTEXT_OPTIONS)"
+  WriteRegStr ${RegKey} "$0\shell\properties\command" "" "$\"$8$\" -preferences"
+
+  WriteRegStr ${RegKey} "$0\shell\safemode" "" "$(CONTEXT_SAFE_MODE)"
+  WriteRegStr ${RegKey} "$0\shell\safemode\command" "" "$\"$8$\" -safe-mode"
+
+  ; Capabilities registry keys
+  WriteRegStr ${RegKey} "$0\Capabilities" "ApplicationDescription" "$(REG_APP_DESC)"
+  WriteRegStr ${RegKey} "$0\Capabilities" "ApplicationIcon" "$8,${IDI_APPICON_ZERO_BASED}"
+  WriteRegStr ${RegKey} "$0\Capabilities" "ApplicationName" "${BrandShortName}"
+
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".htm"   "FirefoxHTML$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".html"  "FirefoxHTML$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".shtml" "FirefoxHTML$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".xht"   "FirefoxHTML$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".xhtml" "FirefoxHTML$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".svg"   "FirefoxHTML$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".webp"  "FirefoxHTML$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".avif"  "FirefoxHTML$2"
+
+  WriteRegStr ${RegKey} "$0\Capabilities\FileAssociations" ".pdf"   "FirefoxPDF$2"
+
+  WriteRegStr ${RegKey} "$0\Capabilities\StartMenu" "StartMenuInternet" "$1"
+
+  ; In the past, we supported ftp.  Since we don't delete and re-create the
+  ; entire key, we need to remove any existing registration.
+  DeleteRegValue ${RegKey} "$0\Capabilities\URLAssociations" "ftp"
+
+  WriteRegStr ${RegKey} "$0\Capabilities\URLAssociations" "http"   "FirefoxURL$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\URLAssociations" "https"  "FirefoxURL$2"
+  WriteRegStr ${RegKey} "$0\Capabilities\URLAssociations" "mailto" "FirefoxURL$2"
+
+  WriteRegStr ${RegKey} "Software\RegisteredApplications" "$1" "$0\Capabilities"
+
+  ; This key would be created by the Open With dialog when a user creates an
+  ; association for us with a file type that we haven't registered as a handler
+  ; for. We need to preemptively create it ourselves so that we can control the
+  ; command line that's used to launch us in that situation. If it's too late
+  ; and one already exists, then we need to edit its command line to make sure
+  ; it contains the -osint flag.
+  ReadRegStr $6 ${RegKey} "Software\Classes\Applications\${FileMainEXE}\shell\open\command" ""
+  ${If} $6 != ""
+    ${GetPathFromString} "$6" $6
+    WriteRegStr ${RegKey} "Software\Classes\Applications\${FileMainEXE}\shell\open\command" \
+                "" "$\"$6$\" -osint -url $\"%1$\""
+  ${Else}
+    WriteRegStr ${RegKey} "Software\Classes\Applications\${FileMainEXE}\shell\open\command" \
+                "" "$\"$8$\" -osint -url $\"%1$\""
+    ; Make sure files associated this way use the document icon instead of the
+    ; application icon.
+    WriteRegStr ${RegKey} "Software\Classes\Applications\${FileMainEXE}\DefaultIcon" \
+                "" "$8,${IDI_DOCUMENT_ZERO_BASED}"
+    ; If we're going to create this key at all, we also need to list our supported
+    ; file types in it, because otherwise we'll be shown as a suggestion for every
+    ; single file type, whether we support it in any way or not.
+    ; We take a more expansive approach to the set of file types registered
+    ; here compared to elsewhere because this key is interpreted by the OS as
+    ; containing every file type that we can possibly open, so if something
+    ; isn't listed it assumes we can't open it and hides us from e.g. the Open
+    ; With context menu, even if the user has tried to add us there manually.
+    ; The list here was derived from the file /layout/build/components.conf,
+    ; filtered down to only those types which make sense to open on their own
+    ; in Firefox, basically meaning that plain text file types were left out,
+    ; but not JSON or XML types because we have specific viewers for those.
+    ${WriteApplicationsSupportedType} ${RegKey} ".apng"
+    ${WriteApplicationsSupportedType} ${RegKey} ".bmp"
+    ${WriteApplicationsSupportedType} ${RegKey} ".flac"
+    ${WriteApplicationsSupportedType} ${RegKey} ".gif"
+    ${WriteApplicationsSupportedType} ${RegKey} ".htm"
+    ${WriteApplicationsSupportedType} ${RegKey} ".html"
+    ${WriteApplicationsSupportedType} ${RegKey} ".ico"
+    ${WriteApplicationsSupportedType} ${RegKey} ".jfif"
+    ${WriteApplicationsSupportedType} ${RegKey} ".jpeg"
+    ${WriteApplicationsSupportedType} ${RegKey} ".jpg"
+    ${WriteApplicationsSupportedType} ${RegKey} ".json"
+    ${WriteApplicationsSupportedType} ${RegKey} ".m4a"
+    ${WriteApplicationsSupportedType} ${RegKey} ".mp3"
+    ${WriteApplicationsSupportedType} ${RegKey} ".oga"
+    ${WriteApplicationsSupportedType} ${RegKey} ".ogg"
+    ${WriteApplicationsSupportedType} ${RegKey} ".ogv"
+    ${WriteApplicationsSupportedType} ${RegKey} ".opus"
+    ${WriteApplicationsSupportedType} ${RegKey} ".pdf"
+    ${WriteApplicationsSupportedType} ${RegKey} ".pjpeg"
+    ${WriteApplicationsSupportedType} ${RegKey} ".pjp"
+    ${WriteApplicationsSupportedType} ${RegKey} ".png"
+    ${WriteApplicationsSupportedType} ${RegKey} ".rdf"
+    ${WriteApplicationsSupportedType} ${RegKey} ".shtml"
+    ${WriteApplicationsSupportedType} ${RegKey} ".svg"
+    ${WriteApplicationsSupportedType} ${RegKey} ".webm"
+    ${WriteApplicationsSupportedType} ${RegKey} ".webp"
+    ${WriteApplicationsSupportedType} ${RegKey} ".avif"
+    ${WriteApplicationsSupportedType} ${RegKey} ".xht"
+    ${WriteApplicationsSupportedType} ${RegKey} ".xhtml"
+    ${WriteApplicationsSupportedType} ${RegKey} ".xml"
+  ${EndIf}
+!macroend
+!define SetStartMenuInternet "!insertmacro SetStartMenuInternet"
+
+; Add registry keys to support the Firefox 32 bit to 64 bit migration. These
+; registry entries are not removed on uninstall at this time. After the Firefox
+; 32 bit to 64 bit migration effort is completed these registry entries can be
+; removed during install, post update, and uninstall.
+!macro Set32to64DidMigrateReg
+  ${GetLongPath} "$INSTDIR" $1
+  ; These registry keys are always in the 32 bit hive since they are never
+  ; needed by a Firefox 64 bit install unless it has been updated from Firefox
+  ; 32 bit.
+  SetRegView 32
+
+!ifdef HAVE_64BIT_BUILD
+
+  ; Running Firefox 64 bit on Windows 64 bit
+  ClearErrors
+  ReadRegDWORD $2 HKLM "Software\Mozilla\${AppName}\32to64DidMigrate" "$1"
+  ; If there were no errors then the system was updated from Firefox 32 bit to
+  ; Firefox 64 bit and if the value is already 1 then the registry value has
+  ; already been updated in the HKLM registry.
+  ${IfNot} ${Errors}
+  ${AndIf} $2 != 1
+    ClearErrors
+    WriteRegDWORD HKLM "Software\Mozilla\${AppName}\32to64DidMigrate" "$1" 1
+    ${If} ${Errors}
+      ; There was an error writing to HKLM so just write it to HKCU
+      WriteRegDWORD HKCU "Software\Mozilla\${AppName}\32to64DidMigrate" "$1" 1
+    ${Else}
+      ; This will delete the value from HKCU if it exists
+      DeleteRegValue HKCU "Software\Mozilla\${AppName}\32to64DidMigrate" "$1"
+    ${EndIf}
+  ${EndIf}
+
+  ClearErrors
+  ReadRegDWORD $2 HKCU "Software\Mozilla\${AppName}\32to64DidMigrate" "$1"
+  ; If there were no errors then the system was updated from Firefox 32 bit to
+  ; Firefox 64 bit and if the value is already 1 then the registry value has
+  ; already been updated in the HKCU registry.
+  ${IfNot} ${Errors}
+  ${AndIf} $2 != 1
+    WriteRegDWORD HKCU "Software\Mozilla\${AppName}\32to64DidMigrate" "$1" 1
+  ${EndIf}
+
+!else
+
+  ; Running Firefox 32 bit
+  ${If} ${RunningX64}
+  ${OrIf} ${IsNativeARM64}
+    ; Running Firefox 32 bit on a Windows 64 bit system
+    ClearErrors
+    ReadRegDWORD $2 HKLM "Software\Mozilla\${AppName}\32to64DidMigrate" "$1"
+    ; If there were errors the value doesn't exist yet.
+    ${If} ${Errors}
+      ClearErrors
+      WriteRegDWORD HKLM "Software\Mozilla\${AppName}\32to64DidMigrate" "$1" 0
+      ; If there were errors write the value in HKCU.
+      ${If} ${Errors}
+        WriteRegDWORD HKCU "Software\Mozilla\${AppName}\32to64DidMigrate" "$1" 0
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+
+!endif
+
+  ClearErrors
+  SetRegView lastused
+!macroend
+!define Set32to64DidMigrateReg "!insertmacro Set32to64DidMigrateReg"
+
+; The IconHandler reference for FirefoxHTML can end up in an inconsistent state
+; due to changes not being detected by the IconHandler for side by side
+; installs (see bug 268512). The symptoms can be either an incorrect icon or no
+; icon being displayed for files associated with Firefox (does not use SHCTX).
+!macro FixShellIconHandler RegKey
+  ; Find the correct key to update, either FirefoxHTML or FirefoxHTML-[PathHash]
+  StrCpy $3 "FirefoxHTML-$AppUserModelID"
+  ClearErrors
+  ReadRegStr $0 ${RegKey} "Software\Classes\$3\DefaultIcon" ""
+  ${If} ${Errors}
+    StrCpy $3 "FirefoxHTML"
+  ${EndIf}
+
+  ClearErrors
+  ReadRegStr $1 ${RegKey} "Software\Classes\$3\ShellEx\IconHandler" ""
+  ${Unless} ${Errors}
+    ReadRegStr $1 ${RegKey} "Software\Classes\$3\DefaultIcon" ""
+    ${GetLongPath} "$INSTDIR\${FileMainEXE}" $2
+    ${If} "$1" != "$2,${IDI_DOCUMENT_ZERO_BASED}"
+      WriteRegStr ${RegKey} "Software\Classes\$3\DefaultIcon" "" "$2,${IDI_DOCUMENT_ZERO_BASED}"
+    ${EndIf}
+  ${EndUnless}
+!macroend
+!define FixShellIconHandler "!insertmacro FixShellIconHandler"
+
+; Add Software\Mozilla\ registry entries (uses SHCTX).
+!macro SetAppKeys
+  ; Check if this is an ESR release and if so add registry values so it is
+  ; possible to determine that this is an ESR install (bug 726781).
+  ClearErrors
+  ${WordFind} "${UpdateChannel}" "esr" "E#" $3
+  ${If} ${Errors}
+    StrCpy $3 ""
+  ${Else}
+    StrCpy $3 " ESR"
+  ${EndIf}
+
+  ${GetLongPath} "$INSTDIR" $8
+  StrCpy $0 "Software\Mozilla\${BrandFullNameInternal}\${AppVersion}$3 (${ARCH} ${AB_CD})\Main"
+  ${WriteRegStr2} $TmpVal "$0" "Install Directory" "$8" 0
+  ${WriteRegStr2} $TmpVal "$0" "PathToExe" "$8\${FileMainEXE}" 0
+
+  StrCpy $0 "Software\Mozilla\${BrandFullNameInternal}\${AppVersion}$3 (${ARCH} ${AB_CD})\Uninstall"
+  ${WriteRegStr2} $TmpVal "$0" "Description" "${BrandFullNameInternal} ${AppVersion}$3 (${ARCH} ${AB_CD})" 0
+
+  StrCpy $0 "Software\Mozilla\${BrandFullNameInternal}\${AppVersion}$3 (${ARCH} ${AB_CD})"
+  ${WriteRegStr2} $TmpVal  "$0" "" "${AppVersion}$3 (${ARCH} ${AB_CD})" 0
+  ${If} "$3" == ""
+    DeleteRegValue SHCTX "$0" "ESR"
+  ${Else}
+    ${WriteRegDWORD2} $TmpVal "$0" "ESR" 1 0
+  ${EndIf}
+
+  StrCpy $0 "Software\Mozilla\${BrandFullNameInternal} ${AppVersion}$3\bin"
+  ${WriteRegStr2} $TmpVal "$0" "PathToExe" "$8\${FileMainEXE}" 0
+
+  StrCpy $0 "Software\Mozilla\${BrandFullNameInternal} ${AppVersion}$3\extensions"
+  ${WriteRegStr2} $TmpVal "$0" "Components" "$8\components" 0
+  ${WriteRegStr2} $TmpVal "$0" "Plugins" "$8\plugins" 0
+
+  StrCpy $0 "Software\Mozilla\${BrandFullNameInternal} ${AppVersion}$3"
+  ${WriteRegStr2} $TmpVal "$0" "GeckoVer" "${GREVersion}" 0
+  ${If} "$3" == ""
+    DeleteRegValue SHCTX "$0" "ESR"
+  ${Else}
+    ${WriteRegDWORD2} $TmpVal "$0" "ESR" 1 0
+  ${EndIf}
+
+  StrCpy $0 "Software\Mozilla\${BrandFullNameInternal}$3"
+  ${WriteRegStr2} $TmpVal "$0" "" "${GREVersion}" 0
+  ${WriteRegStr2} $TmpVal "$0" "CurrentVersion" "${AppVersion}$3 (${ARCH} ${AB_CD})" 0
+!macroend
+!define SetAppKeys "!insertmacro SetAppKeys"
+
+; Add uninstall registry entries. This macro tests for write access to determine
+; if the uninstall keys should be added to HKLM or HKCU.
+!macro SetUninstallKeys
+  ; Check if this is an ESR release and if so add registry values so it is
+  ; possible to determine that this is an ESR install (bug 726781).
+  ClearErrors
+  ${WordFind} "${UpdateChannel}" "esr" "E#" $3
+  ${If} ${Errors}
+    StrCpy $3 ""
+  ${Else}
+    StrCpy $3 " ESR"
+  ${EndIf}
+
+  StrCpy $0 "Software\Microsoft\Windows\CurrentVersion\Uninstall\${BrandFullNameInternal} ${AppVersion}$3 (${ARCH} ${AB_CD})"
+
+  StrCpy $2 ""
+  ClearErrors
+  WriteRegStr HKLM "$0" "${BrandShortName}InstallerTest" "Write Test"
+  ${If} ${Errors}
+    ; If the uninstall keys already exist in HKLM don't create them in HKCU
+    ClearErrors
+    ReadRegStr $2 "HKLM" $0 "DisplayName"
+    ${If} $2 == ""
+      ; Otherwise we don't have any keys for this product in HKLM so proceeed
+      ; to create them in HKCU.  Better handling for this will be done in:
+      ; Bug 711044 - Better handling for 2 uninstall icons
+      StrCpy $1 "HKCU"
+      SetShellVarContext current  ; Set SHCTX to the current user (e.g. HKCU)
+    ${EndIf}
+    ClearErrors
+  ${Else}
+    StrCpy $1 "HKLM"
+    SetShellVarContext all     ; Set SHCTX to all users (e.g. HKLM)
+    DeleteRegValue HKLM "$0" "${BrandShortName}InstallerTest"
+  ${EndIf}
+
+  ${If} $2 == ""
+    ${GetLongPath} "$INSTDIR" $8
+
+    ; Write the uninstall registry keys
+    ${WriteRegStr2} $1 "$0" "Comments" "${BrandFullNameInternal} ${AppVersion}$3 (${ARCH} ${AB_CD})" 0
+    ${WriteRegStr2} $1 "$0" "DisplayIcon" "$8\${FileMainEXE},${IDI_APPICON_ZERO_BASED}" 0
+    ${WriteRegStr2} $1 "$0" "DisplayName" "${BrandFullNameInternal}$3 (${ARCH} ${AB_CD})" 0
+    ${WriteRegStr2} $1 "$0" "DisplayVersion" "${AppVersion}" 0
+    ${WriteRegStr2} $1 "$0" "HelpLink" "${HelpLink}" 0
+    ${WriteRegStr2} $1 "$0" "InstallLocation" "$8" 0
+    ${WriteRegStr2} $1 "$0" "Publisher" "Mozilla" 0
+    ${WriteRegStr2} $1 "$0" "UninstallString" "$\"$8\uninstall\helper.exe$\"" 0
+    DeleteRegValue SHCTX "$0" "URLInfoAbout"
+; Don't add URLUpdateInfo which is the release notes url except for the release
+; and esr channels since nightly, aurora, and beta do not have release notes.
+; Note: URLUpdateInfo is only defined in the official branding.nsi.
+!ifdef URLUpdateInfo
+!ifndef BETA_UPDATE_CHANNEL
+    ${WriteRegStr2} $1 "$0" "URLUpdateInfo" "${URLUpdateInfo}" 0
+!endif
+!endif
+    ${WriteRegStr2} $1 "$0" "URLInfoAbout" "${URLInfoAbout}" 0
+    ${WriteRegDWORD2} $1 "$0" "NoModify" 1 0
+    ${WriteRegDWORD2} $1 "$0" "NoRepair" 1 0
+
+    ${GetSize} "$8" "/S=0K" $R2 $R3 $R4
+    ${WriteRegDWORD2} $1 "$0" "EstimatedSize" $R2 0
+
+    ${If} "$TmpVal" == "HKLM"
+      SetShellVarContext all     ; Set SHCTX to all users (e.g. HKLM)
+    ${Else}
+      SetShellVarContext current  ; Set SHCTX to the current user (e.g. HKCU)
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define SetUninstallKeys "!insertmacro SetUninstallKeys"
+
+; Due to a bug when associating some file handlers, only SHCTX was checked for
+; some file types such as ".pdf". SHCTX is set to HKCU or HKLM depending on
+; whether the installer has write access to HKLM. The bug would happen when
+; HCKU was checked and didn't exist since programs aren't required to set the
+; HKCU Software\Classes keys when associating handlers. The fix uses the merged
+; view in HKCR to check for existance of an existing association. This macro
+; cleans affected installations by removing the HKLM and HKCU value if it is set
+; to FirefoxHTML when there is a value for PersistentHandler or by removing the
+; HKCU value when the HKLM value has a value other than an empty string.
+!macro FixBadFileAssociation FILE_TYPE
+  ; Only delete the default value in case the key has values for OpenWithList,
+  ; OpenWithProgids, PersistentHandler, etc.
+  ReadRegStr $0 HKCU "Software\Classes\${FILE_TYPE}" ""
+  ${WordFind} "$0" "-" "+1{" $0
+  ReadRegStr $1 HKLM "Software\Classes\${FILE_TYPE}" ""
+  ${WordFind} "$1" "-" "+1{" $1
+  ReadRegStr $2 HKCR "${FILE_TYPE}\PersistentHandler" ""
+  ${If} "$2" != ""
+    ; Since there is a persistent handler remove FirefoxHTML as the default
+    ; value from both HKCU and HKLM if it set to FirefoxHTML.
+    ${If} "$0" == "FirefoxHTML"
+      DeleteRegValue HKCU "Software\Classes\${FILE_TYPE}" ""
+    ${EndIf}
+    ${If} "$1" == "FirefoxHTML"
+      DeleteRegValue HKLM "Software\Classes\${FILE_TYPE}" ""
+    ${EndIf}
+  ${ElseIf} "$0" == "FirefoxHTML"
+    ; Since HKCU is set to FirefoxHTML remove FirefoxHTML as the default value
+    ; from HKCU if HKLM is set to a value other than an empty string.
+    ${If} "$1" != ""
+      DeleteRegValue HKCU "Software\Classes\${FILE_TYPE}" ""
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define FixBadFileAssociation "!insertmacro FixBadFileAssociation"
+
+; Add app specific handler registry entries under Software\Classes if they
+; don't exist (does not use SHCTX).
+!macro FixClassKeys
+  StrCpy $1 "SOFTWARE\Classes"
+
+  ; File handler keys and name value pairs that may need to be created during
+  ; install or upgrade.
+  ReadRegStr $0 HKCR ".shtml" "Content Type"
+  ${If} "$0" == ""
+    StrCpy $0 "$1\.shtml"
+    ${WriteRegStr2} $TmpVal "$1\.shtml" "" "shtmlfile" 0
+    ${WriteRegStr2} $TmpVal "$1\.shtml" "Content Type" "text/html" 0
+    ${WriteRegStr2} $TmpVal "$1\.shtml" "PerceivedType" "text" 0
+  ${EndIf}
+
+  ReadRegStr $0 HKCR ".xht" "Content Type"
+  ${If} "$0" == ""
+    ${WriteRegStr2} $TmpVal "$1\.xht" "" "xhtfile" 0
+    ${WriteRegStr2} $TmpVal "$1\.xht" "Content Type" "application/xhtml+xml" 0
+  ${EndIf}
+
+  ReadRegStr $0 HKCR ".xhtml" "Content Type"
+  ${If} "$0" == ""
+    ${WriteRegStr2} $TmpVal "$1\.xhtml" "" "xhtmlfile" 0
+    ${WriteRegStr2} $TmpVal "$1\.xhtml" "Content Type" "application/xhtml+xml" 0
+  ${EndIf}
+
+  ; Remove possibly badly associated file types
+  ${FixBadFileAssociation} ".pdf"
+  ${FixBadFileAssociation} ".oga"
+  ${FixBadFileAssociation} ".ogg"
+  ${FixBadFileAssociation} ".ogv"
+  ${FixBadFileAssociation} ".pdf"
+  ${FixBadFileAssociation} ".webm"
+!macroend
+!define FixClassKeys "!insertmacro FixClassKeys"
+
+; Updates protocol handlers if their registry open command value is for this
+; install location (uses SHCTX).
+!macro UpdateProtocolHandlers
+  ; Store the command to open the app with an url in a register for easy access.
+  ${GetLongPath} "$INSTDIR\${FileMainEXE}" $8
+  StrCpy $2 "$\"$8$\" -osint -url $\"%1$\""
+
+  ; Only set the file and protocol handlers if the existing one under HKCR is
+  ; for this install location.
+
+  ${IsHandlerForInstallDir} "FirefoxHTML-$AppUserModelID" $R9
+  ${If} "$R9" == "true"
+    ; An empty string is used for the 5th param because FirefoxHTML is not a
+    ; protocol handler.
+    ${AddDisabledDDEHandlerValues} "FirefoxHTML-$AppUserModelID" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" \
+                                   "${AppRegName} HTML Document" ""
+  ${Else}
+    ${IsHandlerForInstallDir} "FirefoxHTML" $R9
+    ${If} "$R9" == "true"
+      ${AddDisabledDDEHandlerValues} "FirefoxHTML" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" \
+                                     "${AppRegName} HTML Document" ""
+    ${EndIf}
+  ${EndIf}
+
+  ; FirefoxPDF-* was added after FirefoxHTML and FirefoxURL, so we've never
+  ; supported bare "FirefoxPDF".  But we won't have it from the installer, so we
+  ; add/update it unconditionally.  `PostUpdate` is gated on `uninstall.log`
+  ; being present, so the invocation here will only happen for installed
+  ; directories, not unpackaged directories.
+  ${AddDisabledDDEHandlerValues} "FirefoxPDF-$AppUserModelID" "$2" "$8,${IDI_DOCUMENT_PDF_ZERO_BASED}" \
+                                 "${AppRegName} PDF Document" ""
+
+  ${IsHandlerForInstallDir} "FirefoxURL-$AppUserModelID" $R9
+  ${If} "$R9" == "true"
+    ${AddDisabledDDEHandlerValues} "FirefoxURL-$AppUserModelID" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" \
+                                   "${AppRegName} URL" "true"
+  ${Else}
+    ${IsHandlerForInstallDir} "FirefoxURL" $R9
+    ${If} "$R9" == "true"
+      ${AddDisabledDDEHandlerValues} "FirefoxURL" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" \
+                                     "${AppRegName} URL" "true"
+    ${EndIf}
+  ${EndIf}
+
+  ; An empty string is used for the 4th & 5th params because the following
+  ; protocol handlers already have a display name and the additional keys
+  ; required for a protocol handler.
+
+  ${IsHandlerForInstallDir} "ftp" $R9
+  ${If} "$R9" == "true"
+    ; In the past, we supported ftp, so we need to delete any registration.
+    ${AddDisabledDDEHandlerValues} "ftp" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "" "delete"
+  ${EndIf}
+
+  ${IsHandlerForInstallDir} "http" $R9
+  ${If} "$R9" == "true"
+    ${AddDisabledDDEHandlerValues} "http" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "" ""
+  ${EndIf}
+
+  ${IsHandlerForInstallDir} "https" $R9
+  ${If} "$R9" == "true"
+    ${AddDisabledDDEHandlerValues} "https" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "" ""
+  ${EndIf}
+
+  ${IsHandlerForInstallDir} "mailto" $R9
+  ${If} "$R9" == "true"
+    ${AddDisabledDDEHandlerValues} "mailto" "$2" "$8,${IDI_DOCUMENT_ZERO_BASED}" "" ""
+  ${EndIf}
+!macroend
+!define UpdateProtocolHandlers "!insertmacro UpdateProtocolHandlers"
+
+!ifdef MOZ_MAINTENANCE_SERVICE
+; Adds maintenance service certificate keys for the install dir.
+; For the cert to work, it must also be signed by a trusted cert for the user.
+!macro AddMaintCertKeys
+  Push $R0
+  ; Allow main Mozilla cert information for updates
+  ; This call will push the needed key on the stack
+  ServicesHelper::PathToUniqueRegistryPath "$INSTDIR"
+  Pop $R0
+  ${If} $R0 != ""
+    ; More than one certificate can be specified in a different subfolder
+    ; for example: $R0\1, but each individual binary can be signed
+    ; with at most one certificate.  A fallback certificate can only be used
+    ; if the binary is replaced with a different certificate.
+    ; We always use the 64bit registry for certs.
+    ${If} ${RunningX64}
+    ${OrIf} ${IsNativeARM64}
+      SetRegView 64
+    ${EndIf}
+
+    ; PrefetchProcessName was originally used to experiment with deleting
+    ; Windows prefetch as a speed optimization.  It is no longer used though.
+    DeleteRegValue HKLM "$R0" "prefetchProcessName"
+
+    ; Setting the Attempted value will ensure that a new Maintenance Service
+    ; install will never be attempted again after this from updates.  The value
+    ; is used only to see if updates should attempt new service installs.
+    WriteRegDWORD HKLM "Software\Mozilla\MaintenanceService" "Attempted" 1
+
+    ; These values associate the allowed certificates for the current
+    ; installation.
+    WriteRegStr HKLM "$R0\0" "name" "${CERTIFICATE_NAME}"
+    WriteRegStr HKLM "$R0\0" "issuer" "${CERTIFICATE_ISSUER}"
+    ; These values associate the allowed certificates for the previous
+    ;  installation, so that we can update from it cleanly using the
+    ;  old updater.exe (which will still have this signature).
+    WriteRegStr HKLM "$R0\1" "name" "${CERTIFICATE_NAME_PREVIOUS}"
+    WriteRegStr HKLM "$R0\1" "issuer" "${CERTIFICATE_ISSUER_PREVIOUS}"
+    ${If} ${RunningX64}
+    ${OrIf} ${IsNativeARM64}
+      SetRegView lastused
+    ${EndIf}
+    ClearErrors
+  ${EndIf}
+  ; Restore the previously used value back
+  Pop $R0
+!macroend
+!define AddMaintCertKeys "!insertmacro AddMaintCertKeys"
+!endif
+
+!macro RegisterAccessibleMarshal
+  ${RegisterDLL} "$INSTDIR\AccessibleMarshal.dll"
+!macroend
+!define RegisterAccessibleMarshal "!insertmacro RegisterAccessibleMarshal"
+
+; Removes various registry entries for reasons noted below (does not use SHCTX).
+!macro RemoveDeprecatedKeys
+  StrCpy $0 "SOFTWARE\Classes"
+  ; Remove support for launching chrome urls from the shell during install or
+  ; update if the DefaultIcon is from firefox.exe (Bug 301073).
+  ${RegCleanAppHandler} "chrome"
+
+  ; Remove protocol handler registry keys added by the MS shim
+  DeleteRegKey HKLM "Software\Classes\Firefox.URL"
+  DeleteRegKey HKCU "Software\Classes\Firefox.URL"
+
+  ; Unregister deprecated AccessibleHandler.dll.
+  ${If} ${FileExists} "$INSTDIR\AccessibleHandler.dll"
+    ${UnregisterDLL} "$INSTDIR\AccessibleHandler.dll"
+  ${EndIf}
+!macroend
+!define RemoveDeprecatedKeys "!insertmacro RemoveDeprecatedKeys"
+
+; Removes various directories and files for reasons noted below.
+!macro RemoveDeprecatedFiles
+  ; Remove the toplevel chrome.manifest added by bug 1295542.
+  ${If} ${FileExists} "$INSTDIR\chrome.manifest"
+    Delete "$INSTDIR\chrome.manifest"
+  ${EndIf}
+
+  ; Remove talkback if it is present (remove after bug 386760 is fixed)
+  ${If} ${FileExists} "$INSTDIR\extensions\talkback@mozilla.org"
+    RmDir /r /REBOOTOK "$INSTDIR\extensions\talkback@mozilla.org"
+  ${EndIf}
+
+  ; Remove the Java Console extension (bug 1165156)
+  ${If} ${FileExists} "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0031-ABCDEFFEDCBA}"
+    RmDir /r /REBOOTOK "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0031-ABCDEFFEDCBA}"
+  ${EndIf}
+  ${If} ${FileExists} "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0034-ABCDEFFEDCBA}"
+    RmDir /r /REBOOTOK "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0034-ABCDEFFEDCBA}"
+  ${EndIf}
+  ${If} ${FileExists} "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0039-ABCDEFFEDCBA}"
+    RmDir /r /REBOOTOK "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0039-ABCDEFFEDCBA}"
+  ${EndIf}
+  ${If} ${FileExists} "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0045-ABCDEFFEDCBA}"
+    RmDir /r /REBOOTOK "$INSTDIR\extensions\{CAFEEFAC-0016-0000-0045-ABCDEFFEDCBA}"
+  ${EndIf}
+  ${If} ${FileExists} "$INSTDIR\extensions\{CAFEEFAC-0017-0000-0000-ABCDEFFEDCBA}"
+    RmDir /r /REBOOTOK "$INSTDIR\extensions\{CAFEEFAC-0017-0000-0000-ABCDEFFEDCBA}"
+  ${EndIf}
+!macroend
+!define RemoveDeprecatedFiles "!insertmacro RemoveDeprecatedFiles"
+
+; Converts specific partner distribution.ini from ansi to utf-8 (bug 882989)
+!macro FixDistributionsINI
+  StrCpy $1 "$INSTDIR\distribution\distribution.ini"
+  StrCpy $2 "$INSTDIR\distribution\utf8fix"
+  StrCpy $0 "0" ; Default to not attempting to fix
+
+  ; Check if the distribution.ini settings are for a partner build that needs
+  ; to have its distribution.ini converted from ansi to utf-8.
+  ${If} ${FileExists} "$1"
+    ${Unless} ${FileExists} "$2"
+      ReadINIStr $3 "$1" "Preferences" "app.distributor"
+      ${If} "$3" == "yahoo"
+        ReadINIStr $3 "$1" "Preferences" "app.distributor.channel"
+        ${If} "$3" == "de"
+        ${OrIf} "$3" == "es"
+        ${OrIf} "$3" == "e1"
+        ${OrIf} "$3" == "mx"
+          StrCpy $0 "1"
+        ${EndIf}
+      ${EndIf}
+      ; Create the utf8fix so this only runs once
+      FileOpen $3 "$2" w
+      FileClose $3
+    ${EndUnless}
+  ${EndIf}
+
+  ${If} "$0" == "1"
+    StrCpy $0 "0"
+    ClearErrors
+    ReadINIStr $3 "$1" "Global" "version"
+    ${Unless} ${Errors}
+      StrCpy $4 "$3" 2
+      ${If} "$4" == "1."
+        StrCpy $4 "$3" "" 2 ; Everything after "1."
+        ${If} $4 < 23
+          StrCpy $0 "1"
+        ${EndIf}
+      ${EndIf}
+    ${EndUnless}
+  ${EndIf}
+
+  ${If} "$0" == "1"
+    ClearErrors
+    FileOpen $3 "$1" r
+    ${If} ${Errors}
+      FileClose $3
+    ${Else}
+      StrCpy $2 "$INSTDIR\distribution\distribution.new"
+      ClearErrors
+      FileOpen $4 "$2" w
+      ${If} ${Errors}
+        FileClose $3
+        FileClose $4
+      ${Else}
+        StrCpy $0 "0" ; Default to not replacing the original distribution.ini
+        ${Do}
+          FileReadByte $3 $5
+          ${If} $5 == ""
+            ${Break}
+          ${EndIf}
+          ${If} $5 == 233 ; ansi é
+            StrCpy $0 "1"
+            FileWriteByte $4 195
+            FileWriteByte $4 169
+          ${ElseIf} $5 == 241 ; ansi ñ
+            StrCpy $0 "1"
+            FileWriteByte $4 195
+            FileWriteByte $4 177
+          ${ElseIf} $5 == 252 ; ansi ü
+            StrCpy $0 "1"
+            FileWriteByte $4 195
+            FileWriteByte $4 188
+          ${ElseIf} $5 < 128
+            FileWriteByte $4 $5
+          ${EndIf}
+        ${Loop}
+        FileClose $3
+        FileClose $4
+        ${If} "$0" == "1"
+          ClearErrors
+          Rename "$1" "$1.bak"
+          ${Unless} ${Errors}
+            Rename "$2" "$1"
+            Delete "$1.bak"
+          ${EndUnless}
+        ${Else}
+          Delete "$2"
+        ${EndIf}
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define FixDistributionsINI "!insertmacro FixDistributionsINI"
+
+; For updates, adds a pinned shortcut to Task Bar on update for Windows 7
+; and 8 if this macro has never been called before and the application
+; is default (see PinToTaskBar for more details). This doesn't get called
+; for Windows 10 and 11 on updates, so we will never pin on update there.
+;
+; For installs, adds a taskbar pin if SHOULD_PIN is 1. (Defaults to 1,
+; but is controllable through the UI, ini file, and command line flags.)
+!macro MigrateTaskBarShortcut SHOULD_PIN
+  ${GetShortcutsLogPath} $0
+  ${If} ${FileExists} "$0"
+    ClearErrors
+    ReadINIStr $1 "$0" "TASKBAR" "Migrated"
+    ${If} ${Errors}
+      ClearErrors
+      WriteIniStr "$0" "TASKBAR" "Migrated" "true"
+      WriteRegDWORD HKCU \
+        "Software\Mozilla\${AppName}\Installer\$AppUserModelID" \
+        "WasPinnedToTaskbar" 1
+      ${If} ${AtLeastWin7}
+        ${If} "${SHOULD_PIN}" == "1"
+          ${PinToTaskBar}
+        ${EndIf}
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define MigrateTaskBarShortcut "!insertmacro MigrateTaskBarShortcut"
+
+; Adds a pinned Task Bar shortcut on Windows 7 if there isn't one for the main
+; application executable already. Existing pinned shortcuts for the same
+; application model ID must be removed first to prevent breaking the pinned
+; item's lists but multiple installations with the same application model ID is
+; an edgecase. If removing existing pinned shortcuts with the same application
+; model ID removes a pinned pinned Start Menu shortcut this will also add a
+; pinned Start Menu shortcut.
+!macro PinToTaskBar
+  ${If} ${AtLeastWin7}
+    StrCpy $8 "false" ; Whether a shortcut had to be created
+    ${IsPinnedToTaskBar} "$INSTDIR\${FileMainEXE}" $R9
+    ${If} "$R9" == "false"
+      ; Find an existing Start Menu shortcut or create one to use for pinning
+      ${GetShortcutsLogPath} $0
+      ${If} ${FileExists} "$0"
+        ClearErrors
+        ReadINIStr $1 "$0" "STARTMENU" "Shortcut0"
+        ${Unless} ${Errors}
+          SetShellVarContext all ; Set SHCTX to all users
+          ${Unless} ${FileExists} "$SMPROGRAMS\$1"
+            SetShellVarContext current ; Set SHCTX to the current user
+            ${Unless} ${FileExists} "$SMPROGRAMS\$1"
+              StrCpy $8 "true"
+              CreateShortCut "$SMPROGRAMS\$1" "$INSTDIR\${FileMainEXE}"
+              ${If} ${FileExists} "$SMPROGRAMS\$1"
+                ShellLink::SetShortCutWorkingDirectory "$SMPROGRAMS\$1" \
+                                                       "$INSTDIR"
+                ${If} "$AppUserModelID" != ""
+                  ApplicationID::Set "$SMPROGRAMS\$1" "$AppUserModelID" "true"
+                ${EndIf}
+              ${EndIf}
+            ${EndUnless}
+          ${EndUnless}
+
+          ${If} ${FileExists} "$SMPROGRAMS\$1"
+            ; Count of Start Menu pinned shortcuts before unpinning.
+            ${PinnedToStartMenuLnkCount} $R9
+
+            ; Having multiple shortcuts pointing to different installations with
+            ; the same AppUserModelID (e.g. side by side installations of the
+            ; same version) will make the TaskBar shortcut's lists into an bad
+            ; state where the lists are not shown. To prevent this first
+            ; uninstall the pinned item.
+            ApplicationID::UninstallPinnedItem "$SMPROGRAMS\$1"
+
+            ; Count of Start Menu pinned shortcuts after unpinning.
+            ${PinnedToStartMenuLnkCount} $R8
+
+            ; If there is a change in the number of Start Menu pinned shortcuts
+            ; assume that unpinning unpinned a side by side installation from
+            ; the Start Menu and pin this installation to the Start Menu.
+            ${Unless} $R8 == $R9
+              ; Pin the shortcut to the Start Menu. 5381 is the shell32.dll
+              ; resource id for the "Pin to Start Menu" string.
+              InvokeShellVerb::DoIt "$SMPROGRAMS" "$1" "5381"
+            ${EndUnless}
+
+            ${If} ${AtMostWin2012R2}
+              ; Pin the shortcut to the TaskBar. 5386 is the shell32.dll
+              ; resource id for the "Pin to Taskbar" string.
+              InvokeShellVerb::DoIt "$SMPROGRAMS" "$1" "5386"
+            ${ElseIf} ${AtMostWaaS} 1809
+              ; In Windows 10 the "Pin to Taskbar" resource was removed, so we
+              ; can't access the verb that way anymore. We have a create a
+              ; command key using the GUID that's assigned to this action and
+              ; then invoke that as a verb. This works up until build 1809
+              ReadRegStr $R9 HKLM \
+                "Software\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Windows.taskbarpin" \
+                "ExplorerCommandHandler"
+              WriteRegStr HKCU "Software\Classes\*\shell\${AppRegName}-$AppUserModelID" "ExplorerCommandHandler" $R9
+              InvokeShellVerb::DoIt "$SMPROGRAMS" "$1" "${AppRegName}-$AppUserModelID"
+              DeleteRegKey HKCU "Software\Classes\*\shell\${AppRegName}-$AppUserModelID"
+            ${Else}
+              ; In the Windows 10 1903 and up (and Windows 11) the above no
+              ; longer works. We have yet another method for these versions
+              ; which is detailed in the PinToTaskbar plugin code.
+              PinToTaskbar::Pin "$SMPROGRAMS\$1"
+            ${EndIf}
+
+            ; Delete the shortcut if it was created
+            ${If} "$8" == "true"
+              Delete "$SMPROGRAMS\$1"
+            ${EndIf}
+          ${EndIf}
+
+          ${If} $TmpVal == "HKCU"
+            SetShellVarContext current ; Set SHCTX to the current user
+          ${Else}
+            SetShellVarContext all ; Set SHCTX to all users
+          ${EndIf}
+        ${EndUnless}
+      ${EndIf}
+    ${EndIf}
+  ${EndIf}
+!macroend
+!define PinToTaskBar "!insertmacro PinToTaskBar"
+
+; Removes the application's start menu directory along with its shortcuts if
+; they exist and if they exist creates a start menu shortcut in the root of the
+; start menu directory (bug 598779). If the application's start menu directory
+; is not empty after removing the shortucts the directory will not be removed
+; since these additional items were not created by the installer (uses SHCTX).
+!macro RemoveStartMenuDir
+  ${GetShortcutsLogPath} $0
+  ${If} ${FileExists} "$0"
+    ; Delete Start Menu Programs shortcuts, directory if it is empty, and
+    ; parent directories if they are empty up to but not including the start
+    ; menu directory.
+    ${GetLongPath} "$SMPROGRAMS" $1
+    ClearErrors
+    ReadINIStr $2 "$0" "SMPROGRAMS" "RelativePathToDir"
+    ${Unless} ${Errors}
+      ${GetLongPath} "$1\$2" $2
+      ${If} "$2" != ""
+        ; Delete shortucts in the Start Menu Programs directory.
+        StrCpy $3 0
+        ${Do}
+          ClearErrors
+          ReadINIStr $4 "$0" "SMPROGRAMS" "Shortcut$3"
+          ; Stop if there are no more entries
+          ${If} ${Errors}
+            ${ExitDo}
+          ${EndIf}
+          ${If} ${FileExists} "$2\$4"
+            ShellLink::GetShortCutTarget "$2\$4"
+            Pop $5
+            ${If} "$INSTDIR\${FileMainEXE}" == "$5"
+              Delete "$2\$4"
+            ${EndIf}
+          ${EndIf}
+          IntOp $3 $3 + 1 ; Increment the counter
+        ${Loop}
+        ; Delete Start Menu Programs directory and parent directories
+        ${Do}
+          ; Stop if the current directory is the start menu directory
+          ${If} "$1" == "$2"
+            ${ExitDo}
+          ${EndIf}
+          ClearErrors
+          RmDir "$2"
+          ; Stop if removing the directory failed
+          ${If} ${Errors}
+            ${ExitDo}
+          ${EndIf}
+          ${GetParent} "$2" $2
+        ${Loop}
+      ${EndIf}
+      DeleteINISec "$0" "SMPROGRAMS"
+    ${EndUnless}
+  ${EndIf}
+!macroend
+!define RemoveStartMenuDir "!insertmacro RemoveStartMenuDir"
+
+; Creates the shortcuts log ini file with the appropriate entries if it doesn't
+; already exist.
+!macro CreateShortcutsLog
+  ${GetShortcutsLogPath} $0
+  ${Unless} ${FileExists} "$0"
+    ${LogStartMenuShortcut} "${BrandShortName}.lnk"
+    ${LogQuickLaunchShortcut} "${BrandShortName}.lnk"
+    ${LogDesktopShortcut} "${BrandShortName}.lnk"
+  ${EndUnless}
+!macroend
+!define CreateShortcutsLog "!insertmacro CreateShortcutsLog"
+
+; The files to check if they are in use during (un)install so the restart is
+; required message is displayed. All files must be located in the $INSTDIR
+; directory.
+!macro PushFilesToCheck
+  ; The first string to be pushed onto the stack MUST be "end" to indicate
+  ; that there are no more files to check in $INSTDIR and the last string
+  ; should be ${FileMainEXE} so if it is in use the CheckForFilesInUse macro
+  ; returns after the first check.
+  Push "end"
+  Push "AccessibleMarshal.dll"
+  Push "freebl3.dll"
+  Push "nssckbi.dll"
+  Push "nspr4.dll"
+  Push "nssdbm3.dll"
+  Push "mozsqlite3.dll"
+  Push "xpcom.dll"
+  Push "crashreporter.exe"
+  Push "default-browser-agent.exe"
+  Push "minidump-analyzer.exe"
+  Push "pingsender.exe"
+  Push "updater.exe"
+  Push "mozwer.dll"
+  Push "${FileMainEXE}"
+!macroend
+!define PushFilesToCheck "!insertmacro PushFilesToCheck"
+
+
+; Pushes the string "true" to the top of the stack if the Firewall service is
+; running and pushes the string "false" to the top of the stack if it isn't.
+!define SC_MANAGER_ALL_ACCESS 0x3F
+!define SERVICE_QUERY_CONFIG 0x0001
+!define SERVICE_QUERY_STATUS 0x0004
+!define SERVICE_RUNNING 0x4
+
+!macro IsFirewallSvcRunning
+  Push $R9
+  Push $R8
+  Push $R7
+  Push $R6
+  Push "false"
+
+  System::Call 'advapi32::OpenSCManagerW(n, n, i ${SC_MANAGER_ALL_ACCESS}) i.R6'
+  ${If} $R6 != 0
+    ; MpsSvc is the Firewall service.
+    ; When opening the service with SERVICE_QUERY_CONFIG the return value will
+    ; be 0 if the service is not installed.
+    System::Call 'advapi32::OpenServiceW(i R6, t "MpsSvc", i ${SERVICE_QUERY_CONFIG}) i.R7'
+    ${If} $R7 != 0
+      System::Call 'advapi32::CloseServiceHandle(i R7) n'
+      ; Open the service with SERVICE_QUERY_STATUS so its status can be queried.
+      System::Call 'advapi32::OpenServiceW(i R6, t "MpsSvc", i ${SERVICE_QUERY_STATUS}) i.R7'
+    ${EndIf}
+    ; Did the calls to OpenServiceW succeed?
+    ${If} $R7 != 0
+      System::Call '*(i,i,i,i,i,i,i) i.R9'
+      ; Query the current status of the service.
+      System::Call 'advapi32::QueryServiceStatus(i R7, i $R9) i'
+      System::Call '*$R9(i, i.R8)'
+      System::Free $R9
+      System::Call 'advapi32::CloseServiceHandle(i R7) n'
+      IntFmt $R8 "0x%X" $R8
+      ${If} $R8 == ${SERVICE_RUNNING}
+        Pop $R9
+        Push "true"
+      ${EndIf}
+    ${EndIf}
+    System::Call 'advapi32::CloseServiceHandle(i R6) n'
+  ${EndIf}
+
+  Exch 1
+  Pop $R6
+  Exch 1
+  Pop $R7
+  Exch 1
+  Pop $R8
+  Exch 1
+  Pop $R9
+!macroend
+!define IsFirewallSvcRunning "!insertmacro IsFirewallSvcRunning"
+!define un.IsFirewallSvcRunning "!insertmacro IsFirewallSvcRunning"
+
+; Sets this installation as the default browser by setting the registry keys
+; under HKEY_CURRENT_USER via registry calls and using the AppAssocReg NSIS
+; plugin. This is a function instead of a macro so it is
+; easily called from an elevated instance of the binary. Since this can be
+; called by an elevated instance logging is not performed in this function.
+Function SetAsDefaultAppUserHKCU
+  ; See if we're using path hash suffixed registry keys for this install
+  ${GetLongPath} "$INSTDIR\${FileMainEXE}" $8
+  ${StrFilter} "${FileMainEXE}" "+" "" "" $R9
+  ClearErrors
+  ReadRegStr $0 HKCU "Software\Clients\StartMenuInternet\$R9\DefaultIcon" ""
+  ${If} ${Errors}
+  ${OrIf} ${AtMostWin2008R2}
+    ClearErrors
+    ReadRegStr $0 HKLM "Software\Clients\StartMenuInternet\$R9\DefaultIcon" ""
+  ${EndIf}
+  StrCpy $0 $0 -2
+  ${If} $0 != $8
+    ${If} $AppUserModelID == ""
+      ${InitHashAppModelId} "$INSTDIR" "Software\Mozilla\${AppName}\TaskBarIDs"
+    ${EndIf}
+    StrCpy $R9 "${AppRegName}-$AppUserModelID"
+  ${EndIf}
+
+  ; Set ourselves as the user's selected StartMenuInternet browser, but only
+  ; if we have StartMenuInternet registry keys that are for this install.
+  ClearErrors
+  ReadRegStr $0 HKCU "Software\Clients\StartMenuInternet\$R9\DefaultIcon" ""
+  ${If} ${Errors}
+  ${OrIf} ${AtMostWin2008R2}
+    ClearErrors
+    ReadRegStr $0 HKLM "Software\Clients\StartMenuInternet\$R9\DefaultIcon" ""
+  ${EndIf}
+  ${Unless} ${Errors}
+    ${GetPathFromString} "$0" $0
+    ${GetParent} "$0" $0
+    ${If} ${FileExists} "$0"
+      ${GetLongPath} "$0" $0
+      ${If} "$0" == "$INSTDIR"
+        ; On Windows >= 8, this function cannot do anything to actually set
+        ; the default browser, it can only set up the registry entries to
+        ; allow the user to do so. Getting here means that those entries already
+        ; exist for this installation, we just found them, so there is nothing
+        ; more to be done.
+        ${If} ${AtLeastWin8}
+          Return
+        ${Else}
+          WriteRegStr HKCU "Software\Clients\StartMenuInternet" "" "$R9"
+        ${EndIf}
+      ${EndIf}
+    ${EndIf}
+  ${EndUnless}
+
+  SetShellVarContext current  ; Set SHCTX to the current user (e.g. HKCU)
+
+  ; It's unlikely that we didn't find a StartMenuInternet key above, but it is
+  ; possible; it likely would mean this copy of the application was extracted
+  ; directly from a ZIP file and the installer was never run.
+  ${If} ${AtLeastWin8}
+    ${SetStartMenuInternet} "HKCU"
+    ${FixShellIconHandler} "HKCU"
+    ${FixClassKeys} ; Does not use SHCTX
+  ${EndIf}
+
+  ${SetHandlers}
+
+  ; Only register as the handler if the app registry name
+  ; exists under the RegisteredApplications registry key. The protocol and
+  ; file handlers set previously at the user level will associate this install
+  ; as the default browser.
+  ClearErrors
+  ReadRegStr $0 HKLM "Software\RegisteredApplications" "$R9"
+  ${Unless} ${Errors}
+    ; This is all protected by a user choice hash in Windows 8 so it won't
+    ; help, but it also won't hurt.
+    AppAssocReg::SetAppAsDefault "$R9" ".htm" "file"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" ".html" "file"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" ".shtml" "file"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" ".webp" "file"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" ".avif" "file"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" ".xht" "file"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" ".xhtml" "file"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" "http" "protocol"
+    Pop $0
+    AppAssocReg::SetAppAsDefault "$R9" "https" "protocol"
+    Pop $0
+  ${EndUnless}
+  ${RemoveDeprecatedKeys}
+  ${MigrateTaskBarShortcut} "$R0"
+FunctionEnd
+
+; Helper for updating the shortcut application model IDs.
+Function FixShortcutAppModelIDs
+  ${If} ${AtLeastWin7}
+  ${AndIf} "$AppUserModelID" != ""
+    ${UpdateShortcutAppModelIDs} "$INSTDIR\${FileMainEXE}" "$AppUserModelID" $0
+  ${EndIf}
+FunctionEnd
+
+; Helper for adding Firewall exceptions during install and after app update.
+Function AddFirewallEntries
+  ${IsFirewallSvcRunning}
+  Pop $0
+  ${If} "$0" == "true"
+    liteFirewallW::AddRule "$INSTDIR\${FileMainEXE}" "${BrandShortName} ($INSTDIR)"
+  ${EndIf}
+FunctionEnd
+
+; The !ifdef NO_LOG prevents warnings when compiling the installer.nsi due to
+; this function only being used by the uninstaller.nsi.
+!ifdef NO_LOG
+
+Function SetAsDefaultAppUser
+  ; AddTaskbarSC is needed by MigrateTaskBarShortcut, which is called by
+  ; SetAsDefaultAppUserHKCU. If this is called via ExecCodeSegment,
+  ; MigrateTaskBarShortcut will not see the value of AddTaskbarSC, so we
+  ; send it via a register instead.
+  StrCpy $R0 $AddTaskbarSC
+  ; On Win8, we want to avoid having a UAC prompt since we'll already have
+  ; another action for control panel default browser selection popping up
+  ; to the user.  Win8 is the first OS where the start menu keys can be
+  ; added into HKCU.  The call to SetAsDefaultAppUserHKCU will have already
+  ; set the HKCU keys for SetStartMenuInternet.
+  ${If} ${AtLeastWin8}
+    ; Check if this is running in an elevated process
+    ClearErrors
+    ${GetParameters} $0
+    ${GetOptions} "$0" "/UAC:" $0
+    ${If} ${Errors} ; Not elevated
+      Call SetAsDefaultAppUserHKCU
+    ${Else} ; Elevated - execute the function in the unelevated process
+      GetFunctionAddress $0 SetAsDefaultAppUserHKCU
+      UAC::ExecCodeSegment $0
+    ${EndIf}
+    Return ; Nothing more needs to be done
+  ${EndIf}
+
+  ; Before Win8, it is only possible to set this installation of the application
+  ; as the StartMenuInternet handler if it was added to the HKLM
+  ; StartMenuInternet registry keys.
+  ; http://support.microsoft.com/kb/297878
+
+  ; Check if this install location registered as a StartMenuInternet client
+  ClearErrors
+  ReadRegStr $0 HKCU "Software\Clients\StartMenuInternet\${AppRegName}-$AppUserModelID\DefaultIcon" ""
+  ${If} ${Errors}
+  ${OrIf} ${AtMostWin2008R2}
+    ClearErrors
+    ReadRegStr $0 HKLM "Software\Clients\StartMenuInternet\${AppRegName}-$AppUserModelID\DefaultIcon" ""
+  ${EndIf}
+  ${If} ${Errors}
+    ${StrFilter} "${FileMainEXE}" "+" "" "" $R9
+    ClearErrors
+    ReadRegStr $0 HKCU "Software\Clients\StartMenuInternet\$R9\DefaultIcon" ""
+    ${If} ${Errors}
+    ${OrIf} ${AtMostWin2008R2}
+      ClearErrors
+      ReadRegStr $0 HKLM "Software\Clients\StartMenuInternet\$R9\DefaultIcon" ""
+    ${EndIf}
+  ${EndIf}
+
+  ${Unless} ${Errors}
+    ${GetPathFromString} "$0" $0
+    ${GetParent} "$0" $0
+    ${If} ${FileExists} "$0"
+      ${GetLongPath} "$0" $0
+      ${If} "$0" == "$INSTDIR"
+        ; Check if this is running in an elevated process
+        ClearErrors
+        ${GetParameters} $0
+        ${GetOptions} "$0" "/UAC:" $0
+        ${If} ${Errors} ; Not elevated
+          Call SetAsDefaultAppUserHKCU
+        ${Else} ; Elevated - execute the function in the unelevated process
+          GetFunctionAddress $0 SetAsDefaultAppUserHKCU
+          UAC::ExecCodeSegment $0
+        ${EndIf}
+        Return ; Nothing more needs to be done
+      ${EndIf}
+    ${EndIf}
+  ${EndUnless}
+
+  ; The code after ElevateUAC won't be executed when the user:
+  ; a) is a member of the administrators group (e.g. elevation is required)
+  ; b) is not a member of the administrators group and chooses to elevate
+  ${ElevateUAC}
+
+  ${SetStartMenuInternet} "HKLM"
+
+  SetShellVarContext all  ; Set SHCTX to all users (e.g. HKLM)
+
+  ${FixClassKeys} ; Does not use SHCTX
+  ${FixShellIconHandler} "HKLM"
+  ${RemoveDeprecatedKeys} ; Does not use SHCTX
+
+  ClearErrors
+  ${GetParameters} $0
+  ${GetOptions} "$0" "/UAC:" $0
+  ${If} ${Errors}
+    Call SetAsDefaultAppUserHKCU
+  ${Else}
+    GetFunctionAddress $0 SetAsDefaultAppUserHKCU
+    UAC::ExecCodeSegment $0
+  ${EndIf}
+FunctionEnd
+!define SetAsDefaultAppUser "Call SetAsDefaultAppUser"
+
+!endif ; NO_LOG
+
+!ifdef MOZ_LAUNCHER_PROCESS
+!macro ResetLauncherProcessDefaults
+  # By deleting these values, we remove remnants of any force-disable settings
+  # that may have been set during the SHIELD study in 67. Note that this setting
+  # was only intended to distinguish between test and control groups for the
+  # purposes of the study, not as a user preference.
+  DeleteRegValue HKCU ${MOZ_LAUNCHER_SUBKEY} "$INSTDIR\${FileMainEXE}|Launcher"
+  DeleteRegValue HKCU ${MOZ_LAUNCHER_SUBKEY} "$INSTDIR\${FileMainEXE}|Browser"
+!macroend
+!define ResetLauncherProcessDefaults "!insertmacro ResetLauncherProcessDefaults"
+!endif
+
+!macro WriteToastNotificationRegistration RegKey
+  ; Find or create a GUID to use for this installation.  For simplicity, We
+  ; always update our registration.
+  ClearErrors
+  ReadRegStr $0 SHCTX "Software\Classes\AppUserModelId\${ToastAumidPrefix}$AppUserModelID" "CustomActivator"
+  ${If} "$0" == ""
+    ; Create a GUID.
+    System::Call "rpcrt4::UuidCreate(g . r0)i"
+    ; StringFromGUID2 (which is what System::Call uses internally to stringify
+    ; GUIDs) includes braces in its output.  In this case, we want the braces.
+  ${EndIf}
+
+  ; Check if this is an ESR release.
+  ClearErrors
+  ${WordFind} "${UpdateChannel}" "esr" "E#" $1
+  ${If} ${Errors}
+    StrCpy $1 ""
+  ${Else}
+    StrCpy $1 " ESR"
+  ${EndIf}
+
+  ; Write the following keys and values to the registry.
+  ; HKEY_CURRENT_USER\Software\Classes\AppID\{GUID}                                     DllSurrogate    : REG_SZ        = ""
+  ;                                   \AppUserModelId\{ToastAumidPrefix}{install hash}  CustomActivator : REG_SZ        = {GUID}
+  ;                                                                                     DisplayName     : REG_EXPAND_SZ = {display name}
+  ;                                                                                     IconUri         : REG_EXPAND_SZ = {icon path}
+  ;                                   \CLSID\{GUID}                                     AppID           : REG_SZ        = {GUID}
+  ;                                                \InprocServer32                      (Default)       : REG_SZ        = {notificationserver.dll path}
+  ${WriteRegStr2} ${RegKey} "Software\Classes\AppID\$0" "DllSurrogate" "" 0
+  ${WriteRegStr2} ${RegKey} "Software\Classes\AppUserModelId\${ToastAumidPrefix}$AppUserModelID" "CustomActivator" "$0" 0
+  ${WriteRegStr2} ${RegKey} "Software\Classes\AppUserModelId\${ToastAumidPrefix}$AppUserModelID" "DisplayName" "${BrandFullNameInternal}$1" 0
+  ; Sadly, we can't use embedded resources like `firefox.exe,1`.
+  ${WriteRegStr2} ${RegKey} "Software\Classes\AppUserModelId\${ToastAumidPrefix}$AppUserModelID" "IconUri" "$INSTDIR\browser\VisualElements\VisualElements_70.png" 0
+  ${WriteRegStr2} ${RegKey} "Software\Classes\CLSID\$0" "AppID" "$0" 0
+  ${WriteRegStr2} ${RegKey} "Software\Classes\CLSID\$0\InProcServer32" "" "$INSTDIR\notificationserver.dll" 0
+!macroend
+!define WriteToastNotificationRegistration "!insertmacro WriteToastNotificationRegistration"