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

Information on how to restore your Diablo III character

Information on unlooted items and The Postmaster.

Information about removing a Recruit A Friend link in World of Warcraft.

How to report a bug in Diablo III

World of Warcraft does not support 32-bit operating systems.

Gold and items cannot be sent to another realm or faction

This occurs because your game client does not match the version on our servers.

The game cannot log in due to corrupted cache data in the Users/Shared/Blizzard directory, or the directory's permissions are preventing the game from accessing the Users/Shared/Blizzard directory.

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