Troubleshooting steps for performance-related problems.

Troubleshooting for installation-related problems on Mac.

Troubleshooting problems with the Battle.net friends list

There's a problem with the connection to the Battle.net servers.

Information on error BLZBNTAGT0000085C

How to install a Blizzard game you already own on a different computer

Instructions on how to delete your Battle.net files.

Troubleshooting for problems installing or patching the Starcraft II game client

Instructions on getting Blizzard games to play on your TV.

Follow these steps to troubleshoot problems with your low-speed or wireless internet connection.