Maybe someone can help me. I recently purchased the PMDG 737 and have the newest version installed. However, when creating a flight and clicking "OK" to load up, the program freezes. It just won't go any further. However, if I load up with a Cessna and then switch the aircraft then, the plane loads up. I tired reinstalling, uninstalling, deleting configs files, etc. Nothing works... anyone have an idea? Thanks.

Sounds like you already discovered the solution. I have found that starting with one of the default a/c is slightly long winded but works.

I'm not sure if this is correct, but based on other posts i've seen in this forum, it should work if you let the model fully load, then spin around a couple of times before pushing 'Fly Now'. Hope this also helps :)G Balean