Troubleshooting for Blizzard Battle.net desktop application crashes.
Information regarding crashes accompanied by a Blue Screen
Information for troubleshooting Modern Warfare in-game technical issues
Modern Warfare crashes with the Windows DEV ERRORs.
Troubleshooting for game crashes with error "The application encountered an unexpected error"
How to reset in-game options
How to obtain error logs for Blizzard games
What to do if any settings you change do not save