Activision Support

10/28/19

Call of Duty: Modern Warfare PC Troubleshooting

Tips for playing Call of Duty: Modern Warfare on PC

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This guide is to help players who are having issues running the game.

  • Try doing a Scan and Repair: Repairing Blizzard Games
  • Ensure you have the latest drivers and Windows updates applied.
  • Try doing a reset of the graphics settings back to their default settings.
  • Disable any services or applications that may interfere with the game: Closing Background Applications
  • Reboot your computer in case you have pending installs.

For issues with antivirus software:

  • If you are running an antivirus software, we recommend adding the entire Call of Duty: Modern Warfare game folder to your antivirus exception list.
    • For Comodo users: Select Settings → Advanced Protection → Miscellaneous → Detect Shell Code Injections [Exclusion] and add the entire Call of Duty: Modern Warfare game folder to the exclusion list.
    • For BullGuard users: Select Settings → Main and uncheck Self protection.

If issues still persist:

  • If you are using Razer Synapse, make sure to update to the latest driver.
  • Perform a clean boot and only start up with the bare minimum programs: How to perform a clean boot in Windows
  • If the game doesn't start and you have disabled ASLR on Windows, re-enable it.
  • Disable NZXT CAM, MSI Afterburner, and Razer Cortex, as these can conflict with Call of Duty: Modern Warfare.

 

Shader Preloading

Shader Preloading is an important part of the first boot process. You're warned in-game to let the Shader Preloading process complete before starting any game mode. Here's the average Shader Preloading duration across a variety of systems.


i7-9700K/2080Ti

i5-6600K/1660Ti

i3-4340/670

9m 4s

22m 40s

22m 31s


3700X/RX5700

2600X/RX580

FX-6350/HD 7950

8m 2s

9m 38s

37m 12s


This is not enforced, so you can load in-game while the Shaders Preload is still underway, but you'll be warned that this might affect performance.

Once in-game, the following icon will appear if shaders are compiling:

shaders compiling modern warfare


  • The icon will be orange in the Main Menu if the download is still ongoing.
  • The icon will be orange in-game if the download is still ongoing.
  • The icon will turn red in-game if the download is still ongoing and creating performance issues.

 

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