Information on the mobile payment option for Blizzard Balance codes in Argentian, Chile, and Mexico.
Troubleshooting steps for disconnection problems with the Blizzard mobile app
Troubleshooting connection issues with Call of Duty: Modern Warfare
How to resolve this problem when downloading an update
Troubleshooting performance problems in Modern Warfare.
Troubleshooting steps for performance-related problems.
Troubleshooting for installation-related problems on Mac.
There's a problem with the connection to the Blizzard servers.
Information about troubleshooting problems with the Battle.net friends list
Troubleshooting step for connection-related problems on Windows.