chrome_downgrade.ps1
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<#PSScriptInfo
.VERSION 1.0.2 .GUID 0662c546-4296-4873-ba63-2d160b33ad70 .AUTHOR c.dek. .COMPANYNAME . .COPYRIGHT 2021 .TAGS Chrome,Downgrade,Uninstaller,Chrome Remover,Remover, Chrome Unininstaller,Chrome Downgrade .LICENSEURI .PROJECTURI .ICONURI https://iconarchive.com/download/i64908/fruityth1ng/stark/Chrome-Old.ico .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES Script used to downgrade chrome to earlier editions -and retain older version- as described on official documentation .PRIVATEDATA #> <# .DESCRIPTION Script used to downgrade chrome to earlier editions (steps to proper downgrade -and retain older version- as described on official documentation): - Remove/Replace relevant registry entries. - Uninstall chrome, re-install older version. - Disable dependent update services to prevent future updates. - Rename Google Local Updates folder (where applic). *Updated* - Tested on windows 10 x64. #> Param() <# # chrome_downgrade.ps1 # # Script used for downgrading current chrome installation to earlier instances (recommended up to v83+). # # Used for renaming current system configuration and sets # appropriate setting for using chrome with older version. # # WARNING: This script also will disable any future updates on chrome # so that the downgraded version is locked to the latest installation. # # Just run the ps1 file from the command line to perform required operations. # # Script does not need to run with administrative priviledge, elevation # is triggered where appropriate (with user interaction). # #> Write-Host -ForegroundColor DarkYellow -BackgroundColor Black "Downgrading x86 - Chrome Instance..`r`n" -Verbose; Write-Warning -Message "[ $((Get-Date).Hour):$((Get-Date).Minute):$((Get-Date).Second) ]`tModifying file system for changes" -Verbose; Start-Sleep 3; Write-Host "..DONE.." Write-Warning -Message "[ $((Get-Date).Hour):$((Get-Date).Minute):$((Get-Date).Second) ]`tUninstalling Chrome" # Disable external updates for latest chrome installs.. Start-Sleep 2; Write-Host -ForegroundColor DarkYellow -BackgroundColor Black "`r`nAdditional Registry Changes.."; # Disable updates main google policy per x64, x86 registry instance (s). $regscript = @' Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Policies\Google\Update] "AutoUpdateCheckPeriodMinutes"=dword:00000000 "DisableAutoUpdateChecksCheckboxValue"=dword:00000001 "UpdateDefault"=dword:00000000 "Update{8A69D345-D564-463C-AFF1-A69D9E530F96}"=dword:00000000 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Update] "AutoUpdateCheckPeriodMinutes"=dword:00000000 "DisableAutoUpdateChecksCheckboxValue"=dword:00000001 "UpdateDefault"=dword:00000000 "Update{8A69D345-D564-463C-AFF1-A69D9E530F96}"=dword:00000000 '@; # bulk entries import via command line.. $regscript | Add-content -Path ".\chrome_update_remove.reg" | Out-Null; $is64bit = (Get-WmiObject -Class Win32_ComputerSystem).SystemType -match "(x64)" if ($is64bit) { Start-Process powershell -Verb runAs ". {reg import $env:USERPROFILE\Downloads\chrome_update_remove.reg /reg:64}" -PassThru | Out-Null Start-Sleep 1; del ".\chrome_update_remove.reg"; } else { Start-Process powershell -Verb runAs ". {reg import $env:USERPROFILE\Downloads\chrome_update_remove.reg /reg:32}" -PassThru | Out-Null Start-Sleep 1; del ".\chrome_update_remove.reg"; } $version = $((Get-ItemProperty -Path "$(PSDrive | ?{$_.Name -eq "HKLM"}):\Software\WOW6432Node\Google\Update\Clients\*" | ?{$_.Name -eq "Google Chrome"}).pv); Write-Host "Uninstalling Chrome version [ $($version) ].."; try { Start-Process "${env:ProgramFiles(x86)}\Google\Chrome\Application\${version}\Installer\setup.exe" -ArgumentList ("--uninstall","--system-level"); } Catch { # on exception or error, alternative uninstall.. Write-Error "<<< Error on Uninstalling via setup directory, re-trying alternate uninstall. >>>"; Start-Process chrome.exe -ArgumentList @("--uninstall","--force-uninstall") } # Preload download options from external site. $AllContent = Invoke-WebRequest -Uri "https://www.slimjet.com/chrome/google-chrome-old-version.php" -UseBasicParsing -Method Get # Selection list numbered. $r=0; $AllContent.Links | ?{$_ -ilike "*.exe*"} | %{ $_ | Add-Member -Name Selection -Value $($r) -MemberType NoteProperty -Force; $_.href = $_.href; $_.tagName = ($_.tagName).toLower() -replace "<","" -replace ">",""; $_.outerHTML = $_.outerHTML -replace "[^0-9]+`.{1}[^0-9]+`.{1}[^0-9]+`.{1}[^0-9]+","" -replace "`'`>"," @ Version " -replace "</a>",""; $r++; } Write-Host -Foreground Red -Background Yellow "[ Content gathered from slimjet.com ] - LIST OF CHROME DOWNLOADS"; $dload = $AllContent.Links | ?{$_ -ilike "*.exe*"} $dload | Format-Table -AutoSize $sel = Read-Host -Prompt "Please make your selection from the list above: "; [int]$sel = ($sel -as [int]); $finurl = ($($dload[$sel]).href -split "=")[1] -replace "%2F","`/"; $execload = ($(($dload[($sel)]).href) -split "%2F")[1]; $selUrl = "https://www.slimjet.com/chrome/$($finurl)"; # Download chrome, downgrade pack.. Start-Job -ScriptBlock { Start-Process -FilePath "msedge.exe" -ArgumentList @($using:selUrl,"--/prefetch:5") -Wait -ErrorAction SilentlyContinue; } | Get-Job | Wait-Job -Any | Receive-Job; # Install chrome downgrade pack.. Start-Job -ScriptBlock { $latestfile = (Get-ChildItem -Path "$env:USERPROFILE\Downloads\" -Filter "*.exe" | Sort LastWriteTime -descending | Select -First 1).Name if ($latestfile -ne "${using:execload}") { ren $latestfile "${using:execload}" -ErrorAction SilentlyContinue } Start-Process -FilePath "${env:USERPROFILE}\Downloads\$latestfile" -NoNewWindow -Wait -ErrorAction SilentlyContinue; } | Get-Job | Wait-Job | Receive-Job; Start-Job -ScriptBlock { # Stop\Disable running services for Chrome Updater(s) - Total of 4 services. $services = @("GoogleChromeElevationService","gupdate","gupdatem","gusvc"); $services | %{ Start-Process sc -Verb runAs -ArgumentList @("stop", "$($_)"); Start-Process sc -Verb runAs -ArgumentList @("config","$($_)","start=disabled"); } } | Get-Job | Wait-Job | Receive-Job; Get-Process Google* | Stop-Process -Force; Get-Process chrome | Stop-Process -Force; # Rename local updates folder ren "${env:ProgramFiles(x86)}\Google\Update" "Update_OLD" |