I run Windows Vista x64 and went to uninstall the service pack I had installed, since I noticed I still had the 'Evaluation copy, 6001" or something like that in the lower right-hand corner still. So one uninstall process later, I find that upon completing part 2 of 3 my computer restarted but it would not boot afterward, it would just stay at a blank screen. I have tried repairing with the install disk but it didn't work, it would just run on and on and on, and did so for about an hour. Can anyone help!? I have my OSX installation that I can use to access the hard drive if need be as well as an extra partition to install windows on, just in case something like this happens, but I'd rather not use either of those as I'm having difficulty mounting the drives and don't want to install another copy of Windows.