ok i was in Limewire and i closed it and went to bed....next day i woke up and my computer had a major virus (so bad i had to reboot the whole system)....i ran mcaffee and out of 170,000 files.......15000+ files were infected.....I WAS EXTREMELY CAREFUL and now limewire says FATAL ERROR every time i try to get in it......now the only file is a folder that is named _
i cant see it on my computer, trust me, ive looked.....and i cant delete it.........i need some help....i got the viruses off my comp, but it still wont lemme in limewire....and i the night it happened my friend was here downloading stuff and i dunno what he downloaded....

-also, the folder _ had like 10000 files of video games,movies,files, and other assorted stuff that ive never had/ or even HEARD OF!!