How to Fix the Dev Error 11557? Here Are 10 Methods! - MiniTool

Resolve Dev Error 11557 errors in Call of Duty: Modern Warfare 2 and Warzone 2

Have you encountered a Dev Error 11557 error in Call of Duty: Modern Warfare 2 or Warzone 2? If so, you're in the right place. This article will provide some potential solutions to help you fix this error.

Call of Duty is a first-person shooter series released by Activision, which is widely popular around the world. However, despite the great game itself, players may encounter various errors during the game.

This article will introduce some useful ways to fix the Dev Error 11557 error. If you encounter the same error, please continue reading.

Before trying the following methods, you'd better try two of these: restarting the game and device, and running the game as an administrator. If these methods don't work, keep reading and try the following other solutions.

Method 1: Adjust the game's allocation cache size to a minimum

According to a tweet posted by Infinity Ward's official Twitter account, you can try to resize the game's allocated cache to a minimum to fix the Dev Error 11557 error. Here are the detailed steps:

1. Launch Call of Duty: Modern Warfare 2 or Warzone 2 on your PS4/PS5 and click Settings .
2. After that, click on the Graphics option.
3. Then select On-Demand Texture Streaming in the Quality tab.
4. Next, click Show More and adjust the allocated texture cache size to a minimum.
5. Once finished, restart the game to check if the Modern Warfare 2 Dev Error 11557 error has been fixed.

Method 2: Close cross-platform communication

Some users reported successfully fixing Dev Error 11557 errors in Modern Warfare 2 and Warzone 2 by turning off cross-platform communications. You can try it. Here are the steps:

1. Launch Call of Duty: Modern Warfare 2 or Warzone 2 on your device.
2. Go to Account > Network Settings .
3. Then close cross-platform communication .
4. Once done, restart the game and check if the error has been resolved.

Method 3: Update the graphics card driver and device system

If the graphics card driver or system on your device has expired, you may also encounter a Dev Error 11557 error. So you can try to update them to fix this error. To do this, you can refer to the following articles:

• How to update graphics card drivers (NVIDIA/AMD/Intel)?
• Update Windows 11/10 to download and install the latest updates
• Automatic and manual update of PS4 gaming console

Method 4: Close unnecessary background programs

Sometimes, background programs can also cause errors, such as Dev Error 11557. In this case, you can try to close all unnecessary background programs to fix this error.

To do this, you just need to open the Task Manager window, select the program you want to close, and then click the End Task button in the lower right corner. After closing all unnecessary background programs, restart the game and check if the error has been resolved.

Method 5: Check Internet connection

The Dev Error 11557 error may also be caused by an internet connection problem. So if you encounter a Modern Warfare 2 Dev Error 11557 error, you can try the following to fix this:

• Switch Wi-Fi to Ethernet and vice versa.
• Restart the router.
• Reduce the number of devices connected to your router or the internet.

Method 6: Verify game files

If the MW2 Dev Error 11557 error on your PC is caused by a corrupt game file, you can try verifying and repairing the game file through the following steps:

1. Open the Steam Launcher.
2. Go to Library > Call of Duty: Modern Warfare 2 / Warzone 2 .
3. Right-click on the game and select Properties .
4. Select the Local Files tab and click Verify the integrity of the game file .
5. Wait for the process to complete.
6. Once completed, check if the error has been fixed.

Method 7: Update the game

Updated games can sometimes fix errors. So if you encounter a Dev Error 11557 error on your device, you can try to update the game to the latest version to fix this.

Method 8: Switch to DirectX 11

You can also try to update DirectX on your PC from version 10 to version 11 to fix this MW2 Dev Error 11557 error. Here are the steps:

1. Start Blizzard Battle.com.
2. Select the game, then click Options , and then go to Game Settings .
3. Next, select the Attach command line parameter box and enter "-D3D11" in the text box.
4. When finished, click Finish to save all changes.

Method 9: Disable overlay

Sometimes, overlays can also cause problems with the game, such as the Dev Error 11557 error in Modern Warfare 2. So you can try to disable overlay to fix this error. To do this, you can refer to this article: How to disable NVIDIA overlay in GeForce Experience?

Method 10: Reinstall the game

If none of the above methods help you fix the Warzone 2 Dev Error 11557 error, you can try uninstalling everything related to Call of Duty: Modern Warfare 2 or Warzone 2 and reinstall the game to fix this error.

If reinstalling the game still doesn't help you fix the Warzone 2 Dev Error 11557 error, you can try contacting the game support team for more help.

Summarize

This article provides some useful solutions to help you fix Dev Error 11557 errors in Modern Warfare 2 and Warzone 2. You can try the above solution yourself to fix this error.

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