Fix Warzone Dev Error 6635 | Call of Duty Warzone

Watch the video:

0:00 - Explanation
0:23 - What causes Warzone error 6635?
0:35 - Simple solution: Cold War items
1:05 - Other solutions: Verifying Cold War
1:37 - Running as Admin

Trying to play Warzone, but keep getting Error 6635 as soon as you find a game? Well, this video has a few fixes for both PC and consoles. By the end you should at least be able to play the game, assuming you’re a part of the majority of players experiencing this issue. You’re not alone.