What to do if your game doesn't launch after clicking Play.

What to do if the in-game help menu is blank, black, brown, or blue.

What to do if you can't open the Battle.net desktop app, and there are no error messages when you try.

Troubleshooting error "Unable to start up 3D acceleration" in World of Warcraft

Troubleshooting for low or spiky FPS in World of Warcraft

Steps on how to resolve log-in disconnection issues on a single character.

Troubleshooting issues with your game settings changing back to default when you log back in to the game

The video cards supported for use with Cold War and Modern Warfare

Troubleshooting steps for performance-related problems.

Information about getting disconnected while inside a Horrific Vision, and what happens with any loot.