game crash to desktop problem

Problem Event Name: BEX Application Name: TFOC.exe Application Version: 0.0.0.0 Application Timestamp: 502c40f3 Fault Module Name: StackHash_8f01 Fault Module Version: 0.0.0.0 Fault Module Timestamp: 00000000 Exception Offset: 7456c9f1 Exception Code: c0000005 Exception Data: 00000008 OS Version: 6.1.7601.2.1.0.256.1 Locale ID: 1033 Additional Information 1: 8f01 Additional Information 2: 8f01d1565f5d5ccdbdbd6e634aacbcd0 Additional Information 3: f26e Additional Information 4: f26e0c367fdad3f8b5290941674d82cc this problem everytime arise while i play transformer fall of cybertron at 2 nd mission of grimlock. i dont know what the hack is wromg with it but its annoying let me add one more thimg that MOH warfighter also create this kinda problem. so plz help me.....