<#
Author: Gabe Kerntke
Date: 07-22-2024

.Synopsis
Script checks to see if Chrome is installed, if installed it will uninstall

.Modified
2024-07-22 (GabeK) - Original script created

#>

# Variables #
$AppName = "UltraVnc"

# Functions #

#Function checks for 32 or 64 bit processor and then pulls list of applications accordingly
Function Get-Software ($CPU = $ENV:PROCESSOR_ARCHITECTURE) {
    If ($CPU -eq 'AMD64') { 
        $64bit = Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* 
        $32bit = Get-ItemProperty HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*
        $32bit + $64bit
    } 
    Else { Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* }  
}

Function ExitCode {
    If ($ExitCode -eq 0) {
        Write-Host "$AppName uninstalled successfully."
    }
    ElseIf ($ExitCode -eq 3010) {
        Write-Host "$AppName successfully uninstalled, but requires a reboot to complete."
    }
    Else {
        Write-Host `n
        Start-Sleep 5
        Write-Host "$AppName failed to uninstall.  Exit Code:" + $ExitCode
    }
}

Function Uninstall-App {
$Run = Start-Process "C:\program files\UltraVNC\unins000.exe" -ArgumentList "/VERYSILENT /NORESTART" -Wait -PassThru
$ExitCode = ($Run).ExitCode           
ExitCode
}

# Script start #

#Check to see if program is installed
$Applist = Get-Software | Where-Object { $_.DisplayName -like "*$AppName*" }
If ($Applist.DisplayName -like "*$AppName*") {
    Uninstall-App
}
Else {
    Write-Host "$AppName is not installed, exiting script"
}