I have been using fs2004 for a few weeks and all has been well. When I tried to add on PMDG 737 ng i got the following message. Im not very computer literate so forgive me if this is a easy question.the message I got : The version of fs2004 detected is not compatible with this version of FSUIPC. It is build 9.01.40901.... you need correct version of fs2004 . Check the help-about; the build should be 9.00.30612.FSUIPC will terminate when you select ok.Any help would be greatly appriciated. chris

Sounds like you've got FS2004 with the 9.1 update which is good, but you probably need to get a newer version of FSUIPC.http://www.schiratti.com/dowson.htmlJim