Greetings, Devil Dog! Welcome to the Call of Duty Forums. It looks like you're looking forward to Call of Duty: Modern Warfare 4, but haven't created an account yet. Why not take a minute to 
Hi guys, so I’ve heard there’s been an issue with this before but it’s the first time I come across it. Basically when I start the game it says I have to install a MP pack to play but when I do it just resets like I never installed it. I’ve tried deleting and reinstalling the whole game but nothing works. Anybody here that know how to fix this problem on the ps4?
