What to do if you internet service provider (ISP) is encountering connection issues.
We're having trouble starting the Battle.net desktop app. Please try again. If the problem persists, try restarting your computer.
Troubleshooting the error message "The code you entered cannot be claimed."
This error occurs when you have connected to our patch server but you cannot download patch information.
Troubleshooting steps for disconnection problems with the Battle.net mobile app
Information about what to do if you are experiencing reduced performance on the Beta version of the Battle.net Desktop App