<#
Author: Gabe Kerntke
Date: 12-17-2024

.Synopsis

.Modified
2024-12-17 (GabeK) - Original script created
#>

# Variables #

# Functions #

Function Stop-PuTTYProcess {
    $puttyProcess = Get-Process -Name "putty" -ErrorAction SilentlyContinue
    if ($puttyProcess) {
        Write-Output "Stopping PuTTY process..."
        Stop-Process -Name "putty" -Force
    }
}
Function Remove-PuTTY {
    param (
        [string]$path
    )
    $paths = "$env:ProgramFiles\PuTTY", "$env:ProgramFiles(x86)\PuTTY"
    foreach ($path in $paths) {
        if (Test-Path "$path\unins000.exe") {
            Write-Output "Deleting $path\putty.exe..."
            Remove-Item -Force "$path\putty.exe"
            Write-Output "Uninstalling PuTTY EXE Found in $path ..."
            Start-Process -FilePath "$path\unins000.exe" -ArgumentList "/SILENT" -Wait
        }
        elseif (Test-Path "$path\putty.exe") {
            Write-Output "Deleting $path\putty.exe..."
            Remove-Item -Force "$path\putty.exe"
        }
    }
}
Function Remove-PuttyMSI {
    $AppName = "PuTTY"
    #-------------------------------------------------------------------------------
    Write-Output "Checking if there are any msi-based installations for $AppName..."
    #-------------------------------------------------------------------------------
    FOREACH ( $Architecture in "SOFTWARE", "SOFTWARE\Wow6432Node" ) {
        $UninstallKeys = "HKLM:\$Architecture\Microsoft\Windows\CurrentVersion\Uninstall"
        IF (Test-path $UninstallKeys) {
            Write-Output "Checking for $AppName installation in $UninstallKeys"
            $GUID = Get-ItemProperty -Path "$UninstallKeys\*" |
            Where-Object -FilterScript { $_.DisplayName -like "$AppName*" } |
            Select-Object PSChildName -ExpandProperty PSChildName
            IF ( $GUID ) {
                $GUID | ForEach-Object {
                    Write-Output "Uninstalling: $(( Get-ItemProperty "$UninstallKeys\$_" ).DisplayName) "
                    Start-Process -Wait -FilePath "MsiExec.exe" -ArgumentList "/X$_ /qn /norestart"
                }
            }
            ELSE {
                Write-Output "$AppName installation not found in $UninstallKeys"
            }
        }
    }
}
# Start Script #

# Stop PuTTY process if running
Stop-PuTTYProcess
# Check and delete PuTTY installations
Write-Output "Checking for PuTTY EXE Installations..."
Remove-PuTTY
Write-Output "Checking for PuTTY MSI Installations..."
Remove-PuTTYMSI
# End Script #