I did this, I had to run a system restore. If your on XP I could give you a Pirated Windows XP disk off like megaupload, because knowing that your on a hacking site if you dont keep your antivirus on, you could have contracted anything from Conficker to something along the lines of Aids for computers, and most Worms/Virus's disable System Restores.
If you googled how to restore program settings then you could probably find something more helpful, as the MSS files arent designated to be opened like that.