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

Information about this error when redeeming a code on your Battle.net account

What to do when a physical authenticator gets out of sync

More information about authenticator security codes

Troubleshooting steps for resolving error BLZBNTBGS000001FF.

Error emerges when trying to restore the previous authenticator on a new device

Information on error BLZBNTBGS80000024.

Decryption key is invalid or missing. Please uninstall and reinstall.

Information on error BLZBNTAGT0000083F