Hello again it's taken me awhile but I got my problem fixed. What I was advised to do, by an I.T Tech at my local RAF base Which is just next door was this... Rename the Flight Simulator 9, folder as something else ie xxx FS9 xxx, then install from the original disc's FS9 as normal, then start the renamed xxx FS9 xxx, and then shut it down, Then delete not uninstall all the files and folders of the new install of FS9. Then rename xxx FS9 xxx to its original Flight Simulator 9 and run the new FSUIPC installer. Just like magic it installed first time no issue's and i'm up and flying. Thanks again for your earlier help, and I hope this info may of help to yourself and others. :mrgreen: :mrgreen: :mrgreen: