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fix: force standard MSI removal by GUID to prevent reinstallation issues

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This commit is contained in:
Daniel Dybing
2025-12-22 17:22:18 +01:00
parent 079d43bf2d
commit d192ba3e05
1 changed files with 35 additions and 35 deletions
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68
PrintCleaner.ps1
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@@ -87,6 +87,7 @@ function Get-InstalledSoftware {
UninstallString = $cmd
QuietUninstallString = $quietCmd
RegPath = $item.PSPath
RegistryKeyName = $item.PSChildName
}
[void]$list.Add($obj)
}
@@ -274,10 +275,8 @@ function Invoke-UninstallSoftware {
for ($i = 0; $i -lt $foundSoftware.Count; $i++) {
Write-Host " [$($i+1)] $($foundSoftware[$i].DisplayName)" -ForegroundColor White
Write-Host " ID: $($foundSoftware[$i].RegistryKeyName)" -ForegroundColor DarkGray
Write-Host " UninstallString: $($foundSoftware[$i].UninstallString)" -ForegroundColor DarkGray
if (-not [string]::IsNullOrWhiteSpace($foundSoftware[$i].QuietUninstallString)) {
Write-Host " QuietUninstallString: $($foundSoftware[$i].QuietUninstallString)" -ForegroundColor DarkGray
}
}
Write-Host ""
@@ -305,43 +304,44 @@ function Invoke-UninstallSoftware {
$rawCmd = $app.UninstallString
$quietCmd = $app.QuietUninstallString
$keyName = $app.RegistryKeyName
# Log Details for Debugging
Write-Host "`n[$count/$total] $($app.DisplayName)" -ForegroundColor Yellow
Write-Host " Path: $($app.RegPath)" -ForegroundColor DarkGray
Write-Host " UninstallString: $($rawCmd)" -ForegroundColor DarkGray
if (-not [string]::IsNullOrWhiteSpace($quietCmd)) {
Write-Host " QuietString: $($quietCmd)" -ForegroundColor DarkGray
}
Write-Host " Key: $keyName" -ForegroundColor DarkGray
Write-Host " Original: $rawCmd" -ForegroundColor DarkGray
if ([string]::IsNullOrWhiteSpace($rawCmd)) {
Write-Host " [!] Skipping: Uninstall string is empty." -ForegroundColor Red
continue
# STRATEGY 1: GUID Override (The "New Approach")
# If the Registry Key Name is a GUID (e.g., {A1B2...}), it is an MSI product.
# We can FORCE standard MSI uninstall, ignoring the vendor's potentially broken string.
if ($keyName -match "^\{[a-fA-F0-9-]+\}$") {
Write-Host " [i] MSI Product ID detected ($keyName)." -ForegroundColor Cyan
Write-Host " [i] Forcing standard Windows Installer removal..." -ForegroundColor Cyan
# /x = Uninstall, /qb = Basic UI (shows progress but no wizard steps)
$finalCmd = "msiexec.exe /x $keyName /qb"
}
else {
# STRATEGY 2: Fallback to parsed strings
if (-not [string]::IsNullOrWhiteSpace($quietCmd)) {
Write-Host " [i] Quiet Uninstall String found. Adapting..." -ForegroundColor Cyan
$finalCmd = $quietCmd -replace "(?i)\s*/qn", "" `
-replace "(?i)\s*/quiet", "" `
-replace "(?i)\s*/norestart", "" `
-replace "(?i)\s*/silent", "" `
-replace "(?i)\s*/s\b", ""
} else {
$finalCmd = $rawCmd
}
# STRATEGY: Prefer QuietUninstallString if available.
# We strip the "quiet" flags to make it interactive.
if (-not [string]::IsNullOrWhiteSpace($quietCmd)) {
Write-Host " [i] Quiet Uninstall String found. Adapting for interactive mode..." -ForegroundColor Cyan
$finalCmd = $quietCmd -replace "(?i)\s*/qn", "" `
-replace "(?i)\s*/quiet", "" `
-replace "(?i)\s*/norestart", "" `
-replace "(?i)\s*/silent", "" `
-replace "(?i)\s*/s\b", ""
} else {
$finalCmd = $rawCmd
}
# FIX: Some MSI commands use /I (Install/Configure) instead of /X (Uninstall).
if ($finalCmd -match "(?i)msiexec.*\/I\s*\{") {
Write-Host " [!] Detected MSI Install flag (/I). Swapping to Uninstall flag (/X)..." -ForegroundColor Magenta
$finalCmd = $finalCmd -replace "(?i)\/I", "/X"
}
# FIX: If command is just "setup.exe" with no arguments, it often reinstalls.
if ($finalCmd -match '^"?.*\.exe"?$') {
Write-Host " [!] Detected bare executable. Appending /uninstall..." -ForegroundColor Magenta
$finalCmd = "$finalCmd /uninstall"
# Apply MSI Fixes to string path
if ($finalCmd -match "(?i)msiexec.*\/I\s*\{") {
Write-Host " [!] Detected MSI Install flag (/I). Swapping to Uninstall flag (/X)..." -ForegroundColor Magenta
$finalCmd = $finalCmd -replace "(?i)\/I", "/X"
}
# Apply Bare Exe Fix
if ($finalCmd -match '^"?.*\.exe"?$') {
$finalCmd = "$finalCmd /uninstall"
}
}
Write-Host " Executing: $($finalCmd)" -ForegroundColor Cyan