Troubleshooting steps for disconnection issues when playing Diablo III.
Troubleshooting steps for latency problems in Diablo III
Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.
Troubleshooting steps for performance-related problems.
Troubleshooting steps to resolve performance problems in Diablo III.
Troubleshooting for installation-related problems on Mac.
Troubleshooting steps for Diablo III console connection problems.
There's a problem with the connection to the Blizzard servers.
Information about troubleshooting problems with the Blizzard Battle.net friends list
Damaged windows system files can cause a variety of issues playing games, and should be repaired to prevent problems.