I am new to the site. Great site.I purchased a store copy of MSFS 2004 a couple of years ago (4 disks). I have my product # a 20 digit Number.I have the Box Top hollogram with UPC.The program was loaded on my pevious computer and registered online.Now I have loaded the program sucsessfully (FS 2004) on my New Computer,...but the program wont start.I get this message!! FSUIPC has a problemThe version of FS2004 detected is not compatable with the version of FSUIPC! It is build 9.01.40.901... You need the correct version of FS2004 Check the Help-About: The build should be 9.00.30612FSUIPC will terminate when you select OkPlease see attachment,.... ThanksSukohi_27

Did you update FS2004 before installing FSUIPC? Im not sure but Im *guessing* that may be the source of the problem.Update for FS2004:http://www.microsoft.com/games/flightsimulator/downloads.asp