I purchased PMDG777 a few days ago, It is amazing and I love it very much. At the beginning everything is OK, but after sever normal flights, something strange happens. Every time after taking off (altitude above 100ft), the airplane falls in stall-status immediately. and the stall-speed displayed on the PFD is over 170kt, even when fuel < 10% payload = 0%(flaps = 5).I have tried to solve this issue, reinstall FSX (DULUX + _ACCEELERATION), only PMDG777 are installed, but the issue still remains.So I have to refer to support forum.Any advice or help are appreciated. Thanks :huh: