Fix: Unsupported Operating System | Call of Duty Modern Warfare 2!

Watch the video:

0:00 - Intro & Issue
0:20 - Unsupported Operating System
0:35 - What this issue means
0:50 - Fix: Uninstall Updates
1:28 - Fix 2: Downgrade to Stable from Insider

If you’re using Windows 11 Insider, then you’re likely getting this error since the latest update in Call of Duty: Modern Warfare 2. Activision is aware of the issue and is actively working on a fix, but in the meanwhile, if you need to play, this video has the simple steps you need to follow to get back in the game as soon as possible.