Something went wrong while trying to launch the game. Please make sure it's installed and updated, then try again.
Error: BLZBNTBNA00000BB8 is attempting to launch a game that isn't up to date or is not installed.

  1. Allow to finish installing or patching the game and try again. 
  2. Restart the client to clear up any temporary issues that may cause this error.

Tried everything here?

If you have tried these steps and still require assistance, visit our Technical Support Forums or contact us.