I know there have been several posts about this, but figured I would add in the list. Specs are below:
EVGA 141-BL-E757-TR ATX X58 SLI LE Intel Motherboard
Intel Core i7-950 3.06GHz LGA 1366 130W Quad-Core Processor
OCZ Gold 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Low Voltage Desktop Memory Model OCZ3G1600LV6GK
BFGTech Nvidia GTX 295
On-board RealTek 7.1 Audio
Vista 64Bit
Singleplayer works fine. Every time it connects to a multiplayer game (especially ones hosted on non-dedicated servers) the game freezes and must force a reboot. Tried command line (-maxmem, -winxp), tried all sorts of in game graphic settings, tried different graphics driver versions. Tried turning off all other programs running (antivirus, etc).
Ran out of options, very VERY pissed off. Any ideas?