Troubleshooting problems with the Battle.net friends list

How to solve this problem on an incomplete Battle.net account

Troubleshooting step for connection-related problems on Windows.

Information about problems getting a Primal Ancient in Diablo III

Troubleshooting steps to resolve performance problems in Diablo III.

Troubleshooting steps for Diablo III console connection problems.

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

If you receive errors when loading your hero, try the following steps to solve the problem

Information about the error "There was a problem retrieving items from the store. (Code 396009)."

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