the problem started when i found that i couldnt save any doc or txt files .....explorer started hanging up whenever i tried saving ...... then my AVg anitvirus stopped functioning ....i cldnt run it at all ....some how i managed to download stinger and i found that i there was a trojan virus in c:/windows/system32/hosts/etc......i deleted it but it comes back again .....i cant run avg at all .....i tried running the setup agian but its of no use ....is there a patch for this .....i tried a google search but cdlnt find anything useful......now my comp hangs regularly ...plz help me out !!