I just found this neat program, it's called Sandboxie. ( http://www.sandboxie.com/ ) Basically, what it does, or what I can get out of it's description is that it kind of freezes Windows, and you can use programs without them accessing your harddrive (unless given permission to). So you can download a virus, and run it, install it, whatever. Then you can close Sandboxie, and it's like nothing happened. I haven't tried it yet. I've watched some videos, and it looks really cool. (not mine) Just sharing this with you guys, thought you might think it's helpful too.