i'm having the same problem reinstalled as admin.....i don't understand about cleaning the registry etc.......fsx is in d drive and  flight simulator files is in c drive-users- me- documents.....when i browse in ace, and push save,nothing happens.....would really like to have the granby set 1 textures
in the registry repair...i browsed to fsx exe ..hope that's right...i tried tickets but no use...they just go on automatic...need someone live and conscious  :) i apologize for my inexperience, which may require more baby talk....thanks..