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COD 4 crashes - iw3mp.exe has stopped working

Call Of Duty 4 (COD 4) runs well on the single player game option, however, there are problems when you switch to the multiplayer mode. First, ascertain your computer model and look for a sound card update. If video games are installed on a secondary partition, download the latest BIOS updates for your system's motherboard. Some soundcards need additional instructions and setting the sound tool is done by enabling Stereo Mix. In addition, a USB microphone plugged in the system's USB port may solve the issue. It is observed that while connecting a microphone jack to the sound card, a pair of headphones or RCA connectors will eliminate the problem. Plugging into a microphone jack can result in breakdown of components in your system.


Issue


I have installed COD4 on my Windows machine. All other games work correctly, but when I try to run COD4 it crashes.

This is a very common problem caused by the system's audio device.

Solution

  • Go to Start > Control Panel
  • Double click on the Sound Tool
  • Click on the Recording tab
  • Right click and select "View Disabled Devices"
  • Enable the Stereo Mix


COD4 should now run normally

Notes


Thanks to gragrand for this tip.

Tip inspired from this post on the forum
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