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

Did you get an incompatible or unsupported operating system error in Call of Duty: Modern Warfare 2?

Some users receive error messages even though they have updated their operating system to the latest version.

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

In this guide, you will learn how to fix an incompatible or unsupported operating system in Modern Warfare 2 (MW2).

Why is my OS not compatible with MW2?

Your operating system is not compatible with MW2 because you are using an outdated operating system.

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

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

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

To fix the incompatible operating system in Modern Warfare 2, you need to disable compatibility mode for Steam and MW2.

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

Here’s how to turn off compatibility mode:

After you have disabled compatibility mode for both Steam and Call of Duty, launch MW2 and the error should be fixed.

To fix the unsupported operating system 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 operating system.

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

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