win: improve system app uninstall cleanup #73
- Add documentation about folders. - Add more user-friendly logging. - Continue uninstallation if single folder fails (remove throw). - Continue uninstallation if renaming single file fails. - Add handling of `Metadata` folder as suggested in #73.
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undergroundwires
@@ -9797,50 +9797,113 @@ functions:
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name: UninstallSystemApp
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parameters:
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- name: packageName
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# It simply renames files
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# It simply renames folders
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# Because system apps are non removable (check: (Get-AppxPackage -AllUsers 'Windows.CBSPreview').NonRemovable)
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# Otherwise they throw 0x80070032 when trying to uninstall them
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# This script all files in three application folders to make them inaccessible for the operating system:
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# 1. Installation
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# - Parent : `%WINDIR%\SystemApps\{PackageFamilyName}` or `%WINDIR%\{AppName}`
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# - Example : `C:\Windows\SystemApps\Windows.CBSPreview_cw5n1h2txyewy` or `C:\Windows\PrintDialog`
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# - Check : `(Get-AppxPackage -AllUsers 'Windows.CBSPreview').InstallLocation` or `(Get-AppxPackage -AllUsers 'Windows.PrintDialog').InstallLocation`
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# 2. User-specific data
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# - Parent : %LOCALAPPDATA%\Packages\
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# - Example : C:\Users\undergroundwires\AppData\Local\Packages\Windows.CBSPreview_cw5n1h2txyewy
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# - Check : "$env:LOCALAPPDATA\Packages\$((Get-AppxPackage -AllUsers 'Windows.CBSPreview').PackageFamilyName)"
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# 3. Metadata
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# - Parent : `%PROGRAMDATA\Microsoft\Windows\AppRepository\Packages\${PackageFullName}`
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# - Example : C:\ProgramData\Microsoft\Windows\AppRepository\Packages\Windows.CBSPreview_10.0.19580.1000_neutral_neutral_cw5n1h2txyewy
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# - Check : "$env:PROGRAMDATA\Microsoft\Windows\AppRepository\Packages\$((Get-AppxPackage -AllUsers 'Windows.CBSPreview').PackageFullName)"
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call:
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function: RunPowerShell
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parameters:
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code: |-
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$package = Get-AppxPackage -AllUsers '{{ $packageName }}'
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$packageName = '{{ $packageName }}'
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Write-Host "Soft-deleting `"$packageName`" folders."
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$package = Get-AppxPackage -AllUsers $packageName
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if (!$package) {
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Write-Host 'Not installed'
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Write-Host "Skipping, package `"$packageName`" is not installed."
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exit 0
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}
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$directories = @($package.InstallLocation, "$env:LOCALAPPDATA\Packages\$($package.PackageFamilyName)")
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foreach($dir in $directories) {
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if ( !$dir -Or !(Test-Path "$dir") ) { continue }
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cmd /c ('takeown /f "' + $dir + '" /r /d y 1> nul')
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if($LASTEXITCODE) { throw 'Failed to take ownership' }
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cmd /c ('icacls "' + $dir + '" /grant administrators:F /t 1> nul')
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if($LASTEXITCODE) { throw 'Failed to take ownership' }
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$files = Get-ChildItem -File -Path $dir -Recurse -Force
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foreach($file in $files) {
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if($file.Name.EndsWith('.OLD')) { continue }
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$newName = $file.FullName + '.OLD'
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Write-Host "Rename '$($file.FullName)' to '$newName'"
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Move-Item -LiteralPath "$($file.FullName)" -Destination "$newName" -Force
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$directories = @(
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@{ Name = 'Installation'; Path = $package.InstallLocation; }
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@{ Name = 'User-specific data'; Path = "$env:LOCALAPPDATA\Packages\$($package.PackageFamilyName)"; }
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@{ Name = 'Metadata'; Path = "$env:PROGRAMDATA\Microsoft\Windows\AppRepository\Packages\$($package.PackageFullName)"; }
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)
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foreach($directory in $directories) {
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Write-Host "Processing folder: `"$($directory.Name)`"..."
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if (!$directory.Path) {
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Write-Host 'Skipping, path not found.'
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continue
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}
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if (!(Test-Path $directory.Path)) {
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Write-Host "Skipping, directory `"$($directory.Path)`" does not exist."
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continue
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}
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cmd /c ("takeown /f `"$($directory.Path)`" /r /d y 1> nul")
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if ($LASTEXITCODE) {
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Write-Error "Failed to obtain ownership for `"$($directory.Path)`"."
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continue
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}
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cmd /c ("icacls `"$($directory.Path))`" /grant administrators:F /t 1> nul")
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if ($LASTEXITCODE) {
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Write-Error "Failed to assign permissions for `"$($directory.Path)`"."
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continue
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}
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$files = Get-ChildItem -File -Path $directory.Path -Recurse -Force
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foreach ($file in $files) {
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if($file.Name.EndsWith('.OLD')) {
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continue
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}
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$newName = "$($file.FullName).OLD"
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try {
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Move-Item -LiteralPath "$($file.FullName)" -Destination "$newName" -Force -ErrorAction Stop
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Write-Host "Successfully renamed `"$($file.FullName)`"."
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} catch {
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Write-Error "Failed to rename `"$($file.FullName)`" to `"$newName`": $($_.Exception.Message)"
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}
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}
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}
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revertCode: |-
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$package = Get-AppxPackage -AllUsers '{{ $packageName }}'
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$packageName = '{{ $packageName }}'
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$package = Get-AppxPackage -AllUsers $packageName
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Write-Host "Restoring `"$packageName`" folders."
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if (!$package) {
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Write-Error 'App could not be found' -ErrorAction Stop
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throw "The package `"$packageName`" could not be found."
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}
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$directories = @($package.InstallLocation, "$env:LOCALAPPDATA\Packages\$($package.PackageFamilyName)")
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foreach($dir in $directories) {
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if ( !$dir -Or !(Test-Path "$dir") ) { continue; }
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cmd /c ('takeown /f "' + $dir + '" /r /d y 1> nul')
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if($LASTEXITCODE) { throw 'Failed to take ownership' }
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cmd /c ('icacls "' + $dir + '" /grant administrators:F /t 1> nul')
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if($LASTEXITCODE) { throw 'Failed to take ownership' }
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$files = Get-ChildItem -File -Path "$dir\*.OLD" -Recurse -Force
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foreach($file in $files) {
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$directories = @(
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@{ Name = 'Installation'; Path = $package.InstallLocation; }
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@{ Name = 'User-specific data'; Path = "$env:LOCALAPPDATA\Packages\$($package.PackageFamilyName)"; }
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@{ Name = 'Metadata'; Path = "$env:PROGRAMDATA\Microsoft\Windows\AppRepository\Packages\$($package.PackageFullName)"; }
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)
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foreach ($directory in $directories) {
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Write-Host "Processing folder: `"$($directory.Name)`" directory..."
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if (!$directory.Path) {
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Write-Host "Skipping `"$($directory.Name)`" directory, path not found."
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continue
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}
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if (!(Test-Path $directory.Path)) {
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Write-Host "Skipping, directory `"$($directory.Path)`" does not exist."
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continue
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}
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cmd /c ("takeown /f `"$($directory.Path)`" /r /d y 1> nul")
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if ($LASTEXITCODE) {
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Write-Error "Failed to obtain ownership for `"$($directory.Path)`"."
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continue
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}
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cmd /c ("icacls `"$($directory.Path)`" /grant administrators:F /t 1> nul")
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if ($LASTEXITCODE) {
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Write-Error "Failed to assign permissions for `"$($directory.Path)`"."
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continue
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}
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$files = Get-ChildItem -File -Path "$($directory.Path)\*.OLD" -Recurse -Force
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foreach ($file in $files) {
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$newName = $file.FullName.Substring(0, $file.FullName.Length - 4)
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Write-Host "Rename '$($file.FullName)' to '$newName'"
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Move-Item -LiteralPath "$($file.FullName)" -Destination "$newName" -Force
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try {
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Move-Item -LiteralPath "$($file.FullName)" -Destination "$newName" -Force -ErrorAction Stop
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Write-Host "Successfully renamed `"$($file.FullName)`" back to original."
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} catch {
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Write-Error "Failed to rename `"$($file.FullName)`" back to original `"$newName`": $($_.Exception.Message)"
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}
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}
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}
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-
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