hi,i've been having alot of problems with my computer lately i've reformated several times and im still having problems somehow files i download are corrupted i mean everything drivers aim etc.....and the most recent my windows system file im on my 5th reformat now and im running out of ideas i thought i may of been a virus of some sort but how could one survive so many reformats i scaned for a virus and it comes out clean...recently a friend said maybe its a memory resident virus,i've never delt with one b4 so i dunno how to get rid of it or how they work if anyone has any idea at all or knows how a memory resident virus works please post im completely out of ideas 