You can use this service to reset your Battle.net password, which will remove most account locks.

Cannot remember Blizzard password and want to reset it.

What to do if unable to change the Battle.net account password because the account email wasn't verified

Information about password restrictions and requirements for Battle.net accounts

How to update your password if you are getting this error message

Item Restoration process failed to send one or more of the items selected during the self-restore process

Battle.net or game account hacked or compromised.

What to do if you have lost the password for the Blizzard Data file.

What to do if you can't reset your password on the Blizzard website

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