What to do if you can't resync your authenticator.
Troubleshooting steps when you can log into your account management page but not the Blizzard Battle.net App
Unable to install Blizzard Battle.net Application after downloading from the website.
How to resolve the error message "We can’t process this code at this time"
Troubleshooting for error "Too many attempts" when trying to log in to the Blizzard website
Information about securing an account that is getting verification requests that they did not initiate
How to remove your Blizzard Authenticator
Troubleshooting steps for forum posting issues.
Information on the Blizzard Authenticator
Troubleshooting errors when trying to sign in to our forums