Listen to Aji! You need to remove all of your CC to a safe place on your PC and then start the game. It is definitely either a wonky mesh or an incompatible hack. You need to check for both. The only reason the game is not finishing its load is because there is something blocking it.
Now put out your hand so I can play Sister Joey and slap it with a ruler! You need to check for all hack compatibilities before enabling your CC. Check out the fillowing thread for any or all updates that you might need for your CC:
http://www.insimenator.org/showpost.php?p=67263&postcount=1