Virus - Fake or not ?

Hi , my antivirus (AVG 8.0 Free) detect virus (Win32/PEPatch) in cmdagent.exe and heur.cav in the folder “Scanners” , this happens when i update COMODO Firewall and restart my PC , then i start scanning my PC and this is the result , how i can fix it ? (CLY)

BTW > Sorry for my broken english and sorry if this is in the wrong category…

FP. Update the signatures.