Hi,
I have the same problem.
Installing Flightbeam KSFO/KPHX is fine. But installing all of your products has this same issue. Restart windows, right as administrator, disable antivirus doesn't help. Can you think of another cause might trigger this?
Thank you,
Hoang Le
/I'm using Win10 64bit and have only P3D V4, no FSX or P3D V3.