Maybe I'm lucky, I don't know, but I've never had any problems that I could confirm as being the fault of the OS throughout all the time that I've been using computers.
Quote: "Now i dont need to download anything major again onto my computer so im not at as much risk of a virus."
Personally, I scan everything I download from the internet and delete it instantly if it turns out to have a virus, no matter how small or insignificant it is.
Swordfight! My cheesy little first game!
http://forum.thegamecreators.com/?m=forum_view&t=147808&b=36