$package = 'HipChat' try { # http://stackoverflow.com/questions/450027/uninstalling-an-msi-file-from-the-command-line-without-using-msiexec $msiArgs = "/X{56B4BFF9-4967-4A84-A5B0-4B49AB070100} /qb-! REBOOT=ReallySuppress" Start-ChocolateyProcessAsAdmin "$msiArgs" 'msiexec' Write-ChocolateySuccess $package } catch { Write-ChocolateyFailure $package "$($_.Exception.Message)" throw }