Windows 7 Call of duty 4 appcrash please help

Problem Event Name: APPCRASH
Application Name: iw3mp.exe
Application Version:
Application Timestamp: 4859a219
Fault Module Name: iw3mp.exe
Fault Module Version:
Fault Module Timestamp: 4859a219
Exception Code: c0000005
Exception Offset: 0001c0fb
OS Version: 6.1.7601.
Locale ID: 2057
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

basically this is my issue i've searched and non of the sollutions have helped, i've just recently wiped my hard drive and its only just started happening i've installed DirectX, PB, dont all the other stuff that i've seen but no help.

Someone please help

its also happening on bf3 aswell non of them seem to work

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