Information about troubleshooting log in issues with Activision accounts

Information and issues related to this error code.

Unable to access the game, getting error WOW51900104 when attempting to log in

During periods of high login traffic, we may put you in a login queue.

How to resolve this error when trying to log in to Battle.net

What to do if you cannot accept the new End User License Agreement

The login servers received invalid information

What to do if you continue being redirected to the login screen after entering your credentials

A community site or app throws a 404 error when attempting to login via B.net or when accessing your Battle.net data.

What to do if you get a "Something went wrong" error when logging in to the Battle.net Mobile App