Users that are experiencing Dev Error 11557 in Warzone 2 and MW2 will be glad to know that there’s a simple fix for the issue!

If your MW2 or Warzone 2 games are crashing and reporting Dev Error 11557, you’re not alone. Thankfully, after weeks of player complaints, Infinity Ward finally has an official fix to the problem.

If you’re still finding the Dev Error is popping up after the Season 1 Reloaded update, here’s a solution to help you get back to enjoying Call of Duty as intended.

Fix Dev Error 11557 in Warzone 2 & MW2

Dev Error 11557 Fix in Warzone 2 & MW2

According to Infinity Ward, players that are repeatedly encountering Dev Error 11557 likely have a corrupted file and need to fully reinstall MW2 / Warzone 2.

If the issue persists after reinstalling, players need to set their allocated On-Demand Texture Streaming size to minimum in the game settings.

We’d also highly recommend making sure your graphics driver settings are up to date using our guide. This will fix a large percentage of all issues with this year’s Call of Duty title and get it looking the best it can.

Now, here are guides to Infinity Ward’s recommended fixes:

How to Uninstall & Reinstall MW2 / Warzone 2


  • Find your MW2 application on the PS4/5 home screen
  • Press the Options button on your controller
  • Scroll down and press Delete, then OK
  • Next, scroll to Game Library
  • Tab across to Your Collection and find Call of Duty Modern Warfare 2
  • Press Download and wait for MW2 to install

Xbox One/Series X|S

  • From the Xbox home screen, open My Games & Apps
  • Find MW2 & Warzone 2 in your Games list
  • Press the Menu button on your controller
  • Press Uninstall and then Uninstall All
  • Head back to My Games & Apps & check Full Library
  • Choose All Owned Games
  • Find Call of Duty Modern Warfare 2
  • Press Download and wait for MW2 to install

  • Open the application
  • Choose Call of Duty Modern Warfare 2 from your Games list
  • Click on the gear next to the blue Play button
  • Press Uninstall, then Yes, Uninstall
  • Then, press the blue Install button that formerly said Play


  • Open the Steam application
  • Find Call of Duty Modern Warfare 2 from your Library
  • Right-click on the game and choose Manage, then Uninstall
  • Confirm the action by pressing Uninstall
  • Then, press the blue Install button on the game’s Library listing

How to Change On-Demand Texture Streaming

  • Open Modern Warfare 2
  • Open the Settings Menu
How to Change MW2 Warzone 2 Setting
  • Choose Graphics
  • Then tab across to Quality
  • Scroll down to On-Demand Texture Streaming and click Show More
  • Set Allocated Texture Cache Size to its lowest setting
How to Change On-Demand Texture Cache

Other players have reported that turning On-Demand Texture Streaming off entirely will also fix the crashing issue. What’s more, we’ve found that it even makes the game smoother, while preventing Dev Error 11557.

Now that your game should be crash free, make sure you know the new fastest way to level up guns in MW2 & Warzone 2!

Managing Editor
Max has a wealth of experience in the industry and is a lover of all things video games, situated in Manchester, United Kingdom.