Customer Support can assist in recovering Battle.net Accounts if provided with necessary information.

How to resolve being unable to log in due to this error

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

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

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

Blizzard Customer Support doesn't assist with bugs in the Alpha, Beta, or PTR realms

The login servers received invalid information

Blizzard Customer Support cannot lock your account on request

What to do if you receive an error when trying to research a new talent at the research console.

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