By
Lidia Rozo
2023-11-07 04:54:53

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Get expert tips and tricks on How to Fix Modern Warfare 3 0x00001338 (12488) Nr on our website.

Encountering the Modern Warfare 3 error code 0x00001338(12488) can be frustrating, but fear not! In this guide, we'll walk you through some simple steps to resolve this issue and get back to enjoying your game. So, let's dive in!


How to Fix Modern Warfare 3 0x00001338 (12488) N


 Verify Game Files and Restart


The first step in resolving the Modern Warfare 3 error code 0x00001338(12488) is to verify the game files through Steam. Here's how you can do it:


  •  Right-click on the game in your Steam library and select "Properties" from the drop-down menu.
  • Navigate to the "Installed Files" tab.
  • Click on the "Verify Integrity of Game Files" button.
  •  Steam will then check for any missing or corrupted files and automatically replace them.
  •  Once the verification is complete, restart the game and see if the error persists.


Update GPU Drivers and Adjust Settings


Outdated or incompatible graphics card drivers can often cause errors in games. It's crucial to keep your GPU drivers up to date. Here's how you can update your drivers and adjust settings:


  •  Visit the manufacturer's website for your graphics card (e.g., Nvidia or AMD) and download the latest drivers for your specific model.
  • Alternatively, you can use software like GeForce Experience for Nvidia cards or AMD Radeon Software for AMD cards to update your drivers automatically.
  • After updating your drivers, launch Modern Warfare 3 and try lowering some in-game settings such as graphics quality, resolution, or effects
  •  Adjusting these settings can help reduce the strain on your GPU and potentially resolve the error.


 Modify Windows Registry




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Modifying the Windows Registry can be a bit technical, so proceed with caution and follow these steps carefully:


  •  Open Notepad and copy-paste the following code into the empty document:
  • Windows Registry Editor Version 5.00
  • [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers
  • "C:\\Program Files (x86)\\Steam\\steamapps\\common\\Modern Warfare 3\\iw5sp.exe"="DISABLEUSERCALLBACKEXCEPTION"
  •  Save the file as "COD.reg" (without the quotation marks).
  • Double-click on the saved file to run it. This will add the necessary registry entry to disable the user callback exception for the Modern Warfare 3 executable.
  • Launch Modern Warfare 3 through Steam and check if the error is resolved.


 Deete and Reinstall Steam


If none of the previous steps have resolved the error, you may need to delete and reinstall Steam. However, please note that this step will delete all files within the installation folder except for steam.exe and the steamapps folder. Follow these steps carefully:


  • Exit Steam completely by right-clicking on the Steam icon in the system tray and selecting "Exit.
  •  Navigate to your Steam installation folder, usually located at C:\Program Files\Steam.
  • Delete all files and folders within the Steam installation folder, except for steam.exe and the steamapps folder.
  • Reinstall Steam from scratch by visiting the official Steam website and downloading the latest version.
  • After reinstalling Steam, launch Modern Warfare 3 and see if the error code 0x00001338(12488) has been resolved.


By following these friendly steps, you should be able to troubleshoot and fix the Modern Warfare 3 error code 0x00001338(12488). Remember to try each solution one by one and test the game after each step to see if the issue is resolved. We hope this guide has been helpful, and happy gaming!



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