Solution 1: Run the Game Launcher as an Administrator. Solution 2: Check Your Internet Connection. Solution 3: Close the Background Tasks. Solution 4: Allow Modern Warfare 2 Through the Firewall.

Call of Duty: Modern Warfare 2 system requirements won't leave your gaming PC battle-worn. In fact, you'll be able to run the FPS game using a GPU from seven years ago, so you shouldn't need to grab one of those fancy RTX 4090 graphics cards to get your boots on the ground.