Information on error BLZBNTBNA00000067

Information on error BLZBNTBNA00000065

Troubleshooting steps for performance-related problems.

Troubleshooting for installation-related problems on Mac.

Troubleshooting problems with the Battle.net friends list

Troubleshooting step for connection-related problems on Windows.

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

A guide for diagnosing and repairing problems with physical hard drives.

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

Problems with patching may be resolved by disabling the read-only setting on system folders.