After clicking Change settings, you can add Warzone to Windows Firewall by clicking the Allow another app option and locating Warzone on your PC. Doing so will take you to another menu, where you must click another option called Change settings.
To add Call of Duty Warzone to Windows Firewall, open Windows Firewall and locate and click the Allow an app or feature through Windows Firewall option. If your game still doesn't load, try using the steps below to add Warzone to Windows Firewall: How to add Warzone to Windows Firewall Inside Documents, remove Warzone's folder and try restarting the game. You can delete the game's document folder by opening up File Explorer on your PC and going to Documents on your PC. Another reason I assume the cause is the charm being. I can play anything else, just not multi-player (or raid apparenty).
But all I'm seeing is a flashing screen saying, 'Fetching Online Profile' when I try to access multi-player, preventing me from playing. But if updating and your graphics drivers don't fix the error, you must try a few advanced steps, such as adding the game to Windows Firewall or deleting the game's documents folder. Workaround for 'Fetching Online Profile' bug. Since the shield can't have a weapon charm, I assume that's what's breaking the game. Uninstall your current if you find a new version, and download the latest version.
