What to do if you are unable to join or host custom games in W3R

Information on error BLZBNTAGT0000083F

Information on error BLZBNTAGT00000844

Failed to read a required file. Please close all other applications, temporarily deactivate your antivirus software, and try again.

Information on error BLZBNTBNA00000FB8

Troubleshooting steps for the Battle.net desktop app getting stuck on Starting...

Information on error BLZBNTBNA00000FB9

Information on error BLZBNTBNA00000067

Information about this error when adding a phone number or a Battle.net Authenticator to a Battle.net account.

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