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.

Information on restorations for Diablo III.

Use these steps to repair file permission settings for the game folder and all enclosed files/folders.

Troubleshooting steps for resolving lock ups in Diablo III.

The WoW Token allows players to purchase World of Warcraft game time for real money and then sell that game time for gold on the in-game auction house.