install geek uninstaller: https://geekuninstaller.com/
Param()
# check chocolatey package
$existcode = 0
Get-Command choco 2> $null | % { $existcode = 1 }
if ($existcode -ne 1) {
Write-Error "cannot find chocolatey package.";
}
# install geek uninstaller
choco install -y GeekUninstaller