windows 7 64bit ultimate, i7 3820 @ 4.8ghz, evga gtx 680, 16gb 1600mhz g.skill memory, X79 asus sabertooth, AX850w psu.
my drives are WD black caviar 1tb 7200 rpm [for games] and a 64gb crucial ssd for my OS
All other games work fine!
when ever i try to launch the game from steam it says preparing to launch borderlands then 3-5 seconds later it pops up with this:
http://img804.imageshack.us/img804/7341/36201495.png