I had this problem myself, and running Cookie's reg file is what fixed it. It seems that WLM 9 overrides WLM 8.5's settings, and when MP!L (as well as its installer) goes to check in the registry for WLM's existance, these entries added by WLM 9 make the colours obscure.
This post was edited on 09-20-2008 at 10:37 AM by Aardvark.
/ 
