Instructions for troubleshooting your network to allow Blizzard services to work properly.
Information about common payment issues and troubleshooting steps
How to resolve being unable to log in due to this error
What to do if you have lost the password for the Blizzard Data file.
Information about an issue where StarCraft II Co-op commanders are capped at level 5 or have been reverting to level 5 after being unlocked and levelled
During technical troubleshooting, it is sometimes necessary to fully uninstall and reinstall a game.
Information for troubleshooting Call of Duty: Vanguard launch issues
During technical troubleshooting, it is sometimes necessary to fully uninstall and reinstall the Battle.net desktop app.