How to Fix Dev Error 11557 in MW2 & Warzone 2: A Step-by-Step Guide

If you play Call of Duty: Modern Warfare (MW2) or Call of Duty: Warzone 2, you may have encountered Dev Error 11557. This error can be frustrating, as it can prevent you from playing the game or even starting it up. Fortunately, there are several steps you can take to fix this error.

Dev Error 11557 typically indicates an issue with your graphics drivers or graphics card. This could be due to outdated or corrupted drivers, or problems with your graphics card hardware. To fix this error, you can try updating your graphics drivers, checking your graphics card for issues, or troubleshooting your computer’s hardware and software.

In the following sections, we will explore these solutions in more detail, and provide step-by-step instructions for fixing Dev Error 11557 in MW2 and Warzone 2.

Causes of The Dev Error 11557 in MW2 & Warzone 2

There are the following reasons behind the Dev Error 5479 MW2.

1. Internet Connection

The basic thing that can cause the error is a poor internet connection. An Internet connection is necessary to play the game and to run any software. An internet connection is required to access the game files. The access to files fails without a good internet connection, and you will face the error. 

2. Outdated Version

Outdated versions of the game, drivers, and Windows can cause errors. If you have an outdated version of any of the mentioned factors, you will not be able to enjoy its latest feature. 

As drivers, games, and windows are connected, it is necessary to keep them all up to date. Old versions of anything can cause game errors.

3. Unverified Game Files

If you have the unverified integrity of the game files, then you may face the error. To play the game without any errors, verifying the integrity of the game files is necessary. If you fail to do so, you will face many errors. The Dev Error 11557 in MW2 & Warzone 2. is only of them. Your gaming experience will also need to improve with unverified game files.

Dev Error 11557 in MW2 Fix: The Easy Way to Get Back to Gaming

You can fix the game error by taking the following steps:

1. Update The Drivers

If the drivers need to be updated, then you may face Dev Error 11557 in MW2 & Warzone 2 due to drivers. Graphic drivers display the graphics of the game. Hence, they play essential roles and they should be up to date. 

  • Open the device manager from the comprehensive search box.
  • Here click on the option of display adapter
  • Once clicked, you will see the extended option with the name graphics.
  • Right-click on it, and the update driver option will be visible.
  • Search the driver to which you want to update from the given options and start updating.

After updating, not only will the error be resolved, but also you will be able to see Gold Flake Error in MW2.

2. Update The Window

Now only the drivers but also the old version of the window can cause the error. Hence you can update the window to fix Travis Rilea Error Code MW2. To update the window, follow the simple steps:

  • Click on the window icon near the search bar. 
  • Above the power off button, you will see the settings option. Click on it.
  • After that, you can visit the window update tab from the menu. 
  • Click on the check for update options.
  • If the update option is visible, then update the window.

Once updated, you will not see the error again.

3. Verify The Integrity of The Game Files

You can fix the game error by verifying the integrity of the game files. If the game files are not verified, they can create issues and it may show the Dev Error 11152 MW2 PS5. Hence, you can verify the game files’ integrity to fix the error. To verify the integrity of the game files by the following methods:

  • Open Steam and go to the library
  • Right-click on Modern Warfare 2 or Warzone 2 and select the properties.
  • Here you can find and click on the option of the local tab
  • For clicking on this, you will see the option “verify the integrity of the game file.
  • Click on the option to verify the integrity of the game files.

Once verified, you can play the game without any errors.

4. Update The game 

You may face an error if you play the game with the old version. You can update the game to fix the error. To update the game, follow the given below steps:

  • Open the Steam client and visit the library tab. 
  • Here you can see the MW2 and warzone options.
  • You have to go to the property by clicking the right click.
  • Here you have to go to the update tab. Here select the option of “always keep this game up-to-date”
  • Click on it and start updating the game. Once updated, the game will show a few errors.


Dev Error 11557 is a common error that can occur in Call of Duty: Modern Warfare (MW2) and Call of Duty: Warzone 2. It can be caused by issues with your graphics drivers or graphics card and can be fixed by updating your drivers, checking your hardware, or troubleshooting your computer. 

By following the steps outlined in this guide, you can resolve Dev Error 11557 and get back to playing your favorite game. Remember to always keep your drivers up to date and take care of your hardware to prevent future errors and ensure optimal performance.

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