What to do if you can't log in through your Facebook account

Troubleshooting an issue where attempting to log into one specific character on a Diablo IV account

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

Information about age restriction errors for Diablo IV

Unable to utilize the One-Click approval for the authenticator.

Information about troubleshooting log in issues with Activision accounts

How to remove your Blizzard Authenticator

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

This error is generally presented when trying to log in on a console device while the servers are down.

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