Ill post my rig just to get it out of the way. AMD Dual Core Opteron 170 eVGA 7800GT DFI Lanparty Expert OCZ Platinum 2x1GB Maxtor Maxline 250GB SATA OCZ Powerstream 520w Well I dont have an AV so we can rule that out. However I do have an unkown device in my device manager. Im not sure what it is. Cant find any drivers it accepts. My drivers are all up to date and are for x64, unless I mysteriously installed some whacked out drivers. An interesting thing though, I just played CoD 2 and it didnt pause once.