The login servers received invalid information

Cannot remember Blizzard password and want to reset it.

How to unlink your Twitch account from your Battle.net account

Information on error BLZBNTBGS80000020

Information about why you may not be able to post in the forums, and steps for how to fix it.

Enabling the Command Key + Click combination on Mac systems.

How to change the language settings in your Blizzard games

Information on error BLZBNTBNA00000A8D.

Troubleshooting for BLZBNTBNA00000A8E

This error occurs when the Battle.net Setup program does not have permission to install the game on your computer.