Blizzard servers could not be reached or may be offline.
Information on upgrading Battle Edition.
Troubleshooting issues with your game settings changing back to default when you log back in to the game
Instructions for reducing the installation size of Call of Duty or removing unwanted Game Modes.
Instructions on disabling automatic restart option for Windows.
We're having trouble starting the Battle.net desktop app. Please try again. If the problem persists, try restarting your computer.