ANTI-VIRUS SOFTWARE! I'm 100% POSITIVE! I've been using my home computer the same as I always do, and I've never used anti-V software because of my conspiracy theory that they actually CAUSE viruses.. Well my stupid friend came over and said "YOU GOTTA HAVE THIS, norton spyware, adaware, some bullshit"... and he installs it, and this week, my computer starts fucking up royally like it's having a stroke... It's no longer a theory - it's the troof, roof.. Just go to sites you know and don't be an idiot and download exe files from Nigeria.. Thank you..