Follow these steps to allow the game through your Windows Firewall on Windows 10 and 11: Launch the Control Panel. Go to System and Security. Select Windows Defender Firewall. From the left panel, ...

Depending on your platform, here's how you can easily verify the integrity of files: Steam Launch Steam and go to your game's library. Right-click on Call of Duty and select Properties. Click on ...

Error code 887A0005 Corrupt game files or outdated GPU drivers Error code 0xc000007b Corrupt game files due to incorrect installation path or outdated Visual C++ ...

Save yourself from Dev Error 5820. Here’s a few fixes you might want to try. The error message usually appears after completing a match or when switching lobbies ...