Let me help you submit your bug.
Okay, so your game has crashed and you know what you were doing before it crashed, or maybe something weird has happened and you think it shouldn't be happening, in that case, go here: http://getsatisfaction.com/unknownworlds
This is the official bug reporting mechanism as it stands. Please search for a similar bug to your own and make a new one if you feel yours is unique. I am leaving the URL as its full link to help people identify where the system is kept: on GetSatisfaction.com