Troubleshooting for error "Too many attempts" when trying to log in to the Blizzard website

What to do if you can't resync your authenticator.

Information on the BLZBNTBNA00000A8F error message

Troubleshooting steps to help you connect to the Battle.net desktop app.

Troubleshooting for error Code: BLZBNTBGS0000020A

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

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

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

How to remove your Blizzard Authenticator

Blizzard Customer Support cannot lock your account on request