Realm doesn't show up on realm list.

How to make a copy of one of your characters in the Public Test Realm and the Beta client

Error message information for classic Blizzard games.

Instructions on lowering the maximum frame rate.

Troubleshooting the Diablo II (2000) installer.

Troubleshooting steps for connection issues in Heroes of the Storm.

Troubleshooting steps for resolving lock ups in Diablo III.

Troubleshooting steps to help you connect to Diablo III

If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.

Troubleshooting steps to help you connect to World of Warcraft