Hi I got PMDG 777 but when I try to load it in it just doesnt want to work. If I select the plane It wont let me chose a gate or stand it only gives me a active runway option and when i try to change weather or airport to start the flight I have to press ALT on my key board just to open the page. I also have the PMDG 737 and it works fine it doesnt give me this problem. Thanks