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.
Many common hard drive or OS problems on a Mac can be resolved by running Repair Disk.
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.