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How To Fix Dev Error 356 In COD Modern Warfare 2

Got a Dev Error 356 issue while playing Modern Warfare 2? Check out this guide that features the steps to fix this issue.

It is safe to say that Modern Warfare 2 is one of the biggest titles released in the Call of Duty games. Since its release in Beta in September 2022, players have experienced almost all kinds of bugs and errors in this game. Players have experienced all kinds of issues from game crashing to shader optimization getting stuck. That is not it, several players have been complaining about a Dev Error 356 ruining their gaming experience while playing Modern Warfare 2. If you are one of those players who is experiencing this error, then this article is all you need. Check out this guide that features the steps to fix Dev Error 356 in COD MW2.

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How to fix the Dev Error 356 in MW2

How To Fix Dev Error 356 In Modern Warfare 2

First of all, if this error occurs, then it is for sure that something is wrong from the Developer’s side. Some players are speculating that this issue is caused by changing the language packs in MW2. Unfortunately, there is no official fix for this error as of now. However, it is expected that this error will be completely ruled out in a further update. Till then, you can try some alternative ways to fix the Dev Error 356 in MW2:

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Repair Game Files

  • For those who are playing on Steam:
    • Launch your Steam Client and head over to the Library.
    • Thereafter, right-click on COD Modern Warfare 2 and click on Properties.
    • In the Local Files section, navigate and click on Verify integrity of game files.
    • This should fix Dev Error 356 in MW2.
  • For those who are playing on Battle.net:
    • Open your Battle.net launcher and select COD Modern Warfare 2.
    • Further, click on the Cog icon next to the Play button.
    • Now, click on Scan and Repair.

Restart Shader Optimization

How To Fix Dev Error 356 In Modern Warfare 2

  • Open MW2 and head over to in-game Settings.
  • Later, in the Display section, navigate to the Restart Shader Optimization option.
  • Enable it so the game can refresh and render the textures & assets again every time you launch this game.
  • This solution was mentioned by several players as it fixed the Dev error 356 in MW2.

Use a VPN

There’s a thin chance that this issue is caused by an unstable connection to the Server. Hence, use a VPN and launch MW2 and check if it fixes the Dev error 356.

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Re-install MW2 to Fix the Dev Error 356

If nothing works for you, then uninstall and install the game again. Also, make sure to change the game directory so there is no chance for this issue to spawn again from the roots.

That’s all you can do to fix Dev Error 356 in Modern Warfare 2. If you found this article helpful, then make sure to check out our other COD MW2 guides.

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