Please do not respond with the 'Stereo Mixer' fix, because there is no such thing in Windows 7. I've seen a few fixes for Vista around the net. Step 3: Select the Overlay tab from the left. You should try disabling the in-game feature of the program and then check whether it works.
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#Modern warfare 1 iw3mp.exe crashing Patch
I'm starting to think this is a problem from the patch 1.4 becasue i never crashed with 1.3. Here's the fix for Call Of Duty 4: Modern Warfare Multiplayer Crash On Sturtup Problem.It This Video Helps You Then Don't Forget To Like, Comment, Share An. The single player runs fine, but the multiplayer errors out everytime: 'iw3mp.exe has stopped working'. According to Modern Warfare players, some programs with overlay features could also cause Modern Warfare PC crashing.