I just purchased and downloaded the PDMG 747 and when trying to install I get a "Installation cannot continue. You do not have Flisght Simulator installed". I do have flight simulator (both FS9.1 and FSX) What is hapenning???????????????

Hi thereHave a look at the post called "FS9 Reported Missing Install NOTAM" as it sounds very similar to what you are describing.hope this helpsregardsJohn Calleja

Thanks, it certainly helped to solve the problem.Juan Carlos