I recently upgraded my computer which has Windows Vista. I have FS9 installed and it runs pretty much without any flaws. The problem I'm having is after adding a new a/c. The new one seems to work fine, but when I try to add more repaints, it will not allow to save the updated aircraft.cfg file once I have added the new info to it. Anyone have any idea what I need to do, it's getting a bit frusterating.