Modern Warfare 2: How to Fix Error #x41

Is your game showing an error code #x41? Don’t worry as we explain why it occurs and how it can be fixed.

Call of Duty Modern Warfare 2 is the most anticipated sequel of MW (2019). The game is available on PC, PlayStation, and Xbox platforms. It was built on the new and improved IW engine, previously used for MW (2019) and Vanguard (2021).

Although the IW engine is remarkably optimized, it has its share of problems. One of the most persistent problems is the client-side and GPU-related issues that pop up after every major driver update. A new “#x41” error has been bothering players for the past few days.

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What is Error #x41?

The error #x41 might sound like a hardware-related problem. However, it is a client-side and GPU driver-rooted problem. NVIDIA’s past few drivers have been causing many in-game problems, including stutters and crashes. Furthermore, corrupt game files from the latest Season 2 patch might also cause the problem.

How to Fix Error #x41

Typically, verifying or repairing the game files should fix this error. However, sometimes it may require more than verifying or repairing to fix this issue in MW2. In that case, rolling back the drivers to the previous working one would be the optimal solution.

• Verify or Repair game files:
  • For Steam Users
    • Go to Steam Library and select Call of Duty: Modern Warfare 2.
    • Click on the Settings icon from the right side of your screen.
    • Go to properties > Local Files and click on Verify the integrity of the files.
    • Wait for your game files to repair.
    • After it is done repairing, restart Call of Duty: Modern Warfare 2.
  • For Battle.net Users
    • Open the Battle.net launcher and select Call of Duty: Modern Warfare 2.
    • Click the Settings icon.
    • Click on Scan and Repair.
    • Wait for your game files to Scan and Repair.
    • After it is done repairing, restart Call of Duty: Modern Warfare 2.

• Update your graphics drivers:
  • For Nvidia users, Go to your GeForce Hotfix Driver Version 526.61> Download and Install.
    • If the driver doesn’t solve the issue, roll back to 516.59 or 522.25 drivers.
  • For AMD users, Go to AMD Drivers and Support page> Select Product type> Series> and specific version and press Submit. Download and install the latest driver from the list.

• Update Windows:
  • Go to Settings> Update & Security> Download update.
  • After downloading the update, restart your PC and open up the game.

• Disable Steam Overlay
  • Open up the Steam launcher.
  • Click on your Library.
  • Right-click on Modern Warfare 2 and select Properties.
  • Head to General and make sure the Enable the Steam Overlay while the in-game option is unchecked.

There you go! Following these steps carefully should fix Error #x41 in Modern Warfare 2. However, if you still face the error after following all these steps, you should contact Activision support and wait for them to release a permanent fix.

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