When I attempt to launch any part of Modern Warfare Three on my PC through Steam, it crashes immediately, and this happens (multiplayer as example):
Problem Event Name: APPCRASH
Application Name: iw5mp.exe
Application Version: 0.0.0.0
Application Timestamp: 4eb37b9f
Fault Module Name: StackHash_e8ad
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 00000000
Exception Code: c0000005
Exception Offset: 003e0000
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 5129
Additional Information 1: e8ad
Additional Information 2: e8adce1c2b9e7be834b4063ac3c53863
Additional Information 3: e8ad
Additional Information 4: e8adce1c2b9e7be834b4063ac3c53863
When I run the exe's directly from the game directory, the splash screen appears and says that Steam must be running, even when it is.
Is there anything I can do to get this running?
Thanks!