I don't know how many people around here have had the misfortune of having their computer infected with the "Windows Security Suite" virus, but let me tell you it isn't any fun at all. Every single application on your computer becomes inoperable, including system restore. This virus has been spreading like wildfire over the last few weeks and those of you who download are most at risk.
Here's a thread that is a must read from some tech forum regarding the nastiest virus I've ever encountered.
http://www.geek.com/articles/chips/deal ... e-2009113/
