What to do if you encounter an error or can't load the Authorized Applications section of your Battle.net account management site.

Troubleshooting steps to help you connect to Diablo III

Information about troubleshooting log in issues with Activision accounts

Information on error BLZBNTBNA00000A9C

Troubleshooting steps for this error in Diablo II (2000)

Troubleshooting steps for this error in Diablo III

Information about the availability of Timewalking quests

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 this error when trying to log into a Battle.net website.

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