I am trying to uninstall Parallels 4.0 from my Mac (Snow Leopard). I have the original disk and selected uninstall. I get the response, "Uninstall Failed! The Parallels Desktop is not installed." Of course, it *is* installed and I can rev it up and use it just fine. I tried rebooting and using the Desk Utility to repair disk permissions but that didn't help. Any ideas?