How to resolve this error when trying to log in to Battle.net
Information about troubleshooting loading problems on consoles
Troubleshooting for error "Too many attempts" when trying to log in to the Blizzard website
What to do if you get a "Something went wrong" error when logging in to the Battle.net Mobile App
Information on logging into the Battle.net application on more than one computer
Recovering a Battle.net Account when the email address has been forgotten
Using LogGoblin to gather Battle.net Desktop App logs.