Before you give up entirely I would at least try and work with Immortal. He and I have our differences of opinion on some things but he is always willing to help people out. He might at least be able to get you moving in the right direction to getting things to work. I can tell you that the option to revert to the previous theme is a standard box that comes up and isn't anything to be alarmed about. However, it sounds like you might have at least one module that is failing to work in Vista that you might be able to work around.