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How to Fix Operating System Not Compatible or Supported in Modern Warfare 2

Are you getting an operating system not compatible or supported error in Call of Duty: Modern Warfare 2?

Some users are getting the error message even though they updated their operating system to the latest version.

Other users are getting it because they haven’t updated their OS.

In this guide, you’ll learn how to fix operating system not compatible or supported in Modern Warfare 2 (MW2).

Why is my operating system not compatible in MW2?

Your operating system is not compatible in MW2 because you’re using an outdated operating system.

Otherwise, you’ve accidentally enabled compatibility mode for the game.

The minimum operating system that you need to have is Windows 10 – 64 Bit (latest update).

If you have Windows 8, the game will not support it.

How to fix operating system not compatible in Modern Warfare 2

Operating System Not Compatible in Modern Warfare 2

To fix operating system not compatible in Modern Warfare 2, you need to switch off compatibility mode for Steam and MW2.

After you’ve switched it off, restart MW2 and the game should run without any errors.

Here’s how to switch off compatibility mode:

  1. Find the Steam application on your PC.
  2. Right-click Steam > Properties > Compatibility.
  3. Switch off Compatibility mode > Apply > Ok.
  4. Open Steam > MW2 > right-click > Properties > Local Files > Browse.
  5. Right-click cod > Properties > Compatibility.
  6. Switch off Compatibility mode > Apply > Ok.

After you’ve switched off compatibility mode for both Steam and Call of Duty, launch MW2 and the error should be fixed.

How to fix operating system not supported in Modern Warfare 2

To fix operating system not supported in Modern Warfare 2, you need to update the Windows operating system.

To do so, go to Settings > Update & Security > Windows Update.

Select “Download & Install” to update your OS.

After your OS is updated, launch MW2, and the error should be fixed.

Further reading

How to Fix “GPU driver version does not meet the minimum requirements” in Modern Warfare 2

How to Fix “Timed out waiting on playerstats” in Modern Warfare 2

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