The login servers received invalid information

Can't log into Battle.net website or get online when logging with the Battle.net desktop app.

What to do if you do not have a Battle.net account but are receiving emails from Blizzard Entertainment

What to do if you receive password reset mail without requesting it

What to do if the reward for your participation in the tournament was not delivered

What to do if the player responds that they have not received an e-invoice.

Troubleshooting issues with Unarchiver download and installation

Information on error WOW51900314.

The "Log In" button will not light until complete login information is entered.

If you're seeing this message, check your email for details about the violation and a link to information on the appeals process.