Windows 11 IoT Enterprise LTSC 2024 Deployment Guide

# Removal Functions
function Stop-TightVNCService {
    $serviceName = "TightVNC Server"
    $tvnServerPath = "C:\Program Files\TightVNC\tvnserver.exe"

    if (Test-Path $tvnServerPath) {
        $service = Get-Service -Name $serviceName -ErrorAction SilentlyContinue
        if ($service -and $service.Status -eq 'Running') {
            Stop-Service -Name $serviceName -Force
            Start-Sleep -Seconds 5
        } 
    } 
}

function Unregister-TightVNCService {
    $serviceName = "TightVNC Server"
    $tvnServerPath = "C:\Program Files\TightVNC\tvnserver.exe"

    if (Test-Path $tvnServerPath) {
        $service = Get-Service -Name $serviceName -ErrorAction SilentlyContinue
        if ($service) {
            
            $service_by_name = Get-WmiObject -Class Win32_Service -Filter "Name='tvnserver'"
			$ret = $service_by_name.stopservice()
            $ret = $service_by_name.delete()
            
            
            Start-Sleep -Seconds 5
        } 
    } 
}

function Remove-TightVNCStartMenu {
    $startMenuPath = "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\TightVNC"
    if (Test-Path $startMenuPath) {
        
        Remove-Item -Recurse -Force $startMenuPath
        Start-Sleep -Seconds 3
    } 
}

function Remove-TightVNCFolder {
    $installPath = "C:\Program Files\TightVNC"
    if (Test-Path $installPath) {
        
        Remove-Item -Recurse -Force $installPath
        Start-Sleep -Seconds 5
    } 
}

function Remove-TightVNCFromStartup {
    $startupKey = "HKLM:\Software\Microsoft\Windows\CurrentVersion\Run"
    $startupApp = "tvncontrol"
    
    if (Test-Path $startupKey) {
        $currentApps = Get-ItemProperty -Path $startupKey
        if ($currentApps.PSObject.Properties.Name -contains $startupApp) {
            
            Remove-ItemProperty -Path $startupKey -Name $startupApp
            Start-Sleep -Seconds 3
        } 
    }
}

# Define the registry path
$regPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"

# Search for TightVNC in the uninstall registry keys
$tightVNCKey = Get-ChildItem $regPath | ForEach-Object {
    Get-ItemProperty $_.PSPath
} | Where-Object { $_.DisplayName -like "*TightVNC*" }



if ($tightVNCKey) {
    
    $uninstallString = $tightVNCKey.UninstallString

    if ($uninstallString) {
        	
		
			# Replace /i with /x (case-insensitive)
            if ($uninstallString -match "Msiexec\.exe") {
                $uninstallString = $uninstallString -replace "(?i)/i", "/x"
            }
        
        # Add silent switch if not present
        if ($uninstallString -notmatch "/quiet|/silent") {
            $uninstallString += " /qn"
        }
		

        # Execute uninstall command
        Start-Process -FilePath "cmd.exe" -ArgumentList "/c $uninstallString" -Wait
		Start-Sleep -Seconds 5
        
    } 
} else {
	# Main Execution
	
	Stop-TightVNCService
	Unregister-TightVNCService
	Remove-TightVNCStartMenu
	Remove-TightVNCFromStartup
	Remove-TightVNCFolder	
}

# Final Validation + Auto-Fix
$validationPassed = $true

# Validate Service
$service = Get-Service -Name "TightVNC Server" -ErrorAction SilentlyContinue
if ($service) {
    
    try {
        Stop-Service -Name "TightVNC Server" -Force -ErrorAction SilentlyContinue
        $service_by_name = Get-WmiObject -Class Win32_Service -Filter "Name='tvnserver'"
		$service_by_name.stopservice()
        $service_by_name.delete() | Out-Null
        
    } catch {
        # This catch block is empty, meaning no explicit actions are taken when an error is caught.
		# The error message will not be displayed, and the script will continue after the catch block.
    }
    $validationPassed = $false
} 


# Validate Start Menu
$startMenuPath = "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\TightVNC"
if (Test-Path $startMenuPath) {
    
    Remove-Item -Recurse -Force $startMenuPath -ErrorAction SilentlyContinue
    
    $validationPassed = $false
} 

# Validate Startup Entry
$startupKey = "HKLM:\Software\Microsoft\Windows\CurrentVersion\Run"
$currentApps = Get-ItemProperty -Path $startupKey
if ($currentApps.PSObject.Properties.Name -contains "tvncontrol") {
    
    Remove-ItemProperty -Path $startupKey -Name "tvncontrol" -ErrorAction SilentlyContinue
    $currentApps = Get-ItemProperty -Path $startupKey
    $validationPassed = $false
} 

# Validate Installation Folder
$installPath = "C:\Program Files\TightVNC"
if (Test-Path $installPath) {
    
    Remove-Item -Recurse -Force $installPath -ErrorAction SilentlyContinue
    
    $validationPassed = $false
}