I have the same problem... if someone fixed it please help me,
i own myself an MSI GTX 670 Twin Frzn II
i5 3570k @4.5 1.3Vc Cooled By an Noctua NH-D14
Motherboard: MSI Z87-G45 GAMING
Ram: 8GB Corsair Dominator @1600Mhz
PSU: XFX 550W Bronze 80% Plus
Temps are fine, GPU Max 60/65 C°
Cpu 12/20 idle 30/55 Loaded. 67 C° While stress testing for more than 4 hours
So my problem is, some games like WarThunder For example Will crash to desktop with a Fatal Error Dispay when playing with no V-Sync
DayZ SA instead Crashed to desktop with some memory issues about Writing in that alocated space, nothing too bad but yesterday i experienced a Computer Totally Reboot with no blue screen or nothing, neither messagges.