Information about troubleshooting problems with the Blizzard Battle.net friends list
How to appeal an account action.
Steps on how to close down background applications and processes.
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 your security programs can resolve issues preventing you from installing or using Blizzard software.
How to read and analyze WinMTR data in order to track down a potential connection issue.
If you encounter a bug in one of our games, please report it to us.
How to reset in-game options
A guide on running a traceroute on Windows and Mac.