MOVED FROM FAQ ("frequently asked questions") SUBFORUM!
Hello there Pete,
I recently acquired FSUIPC4 (the payware version) and ever since that installation my PMDG aircraft (737 NGX, 777 LRX) are experiencing Autoflight issues. LNAV and VNAV, AT and LVL CHG are not responding to whatever is programmed into the FMC. The speed indication on the PFD roughly follows the speed entered into the speedwindow. When I then open up Addons in the FSX taskbar and subsequently open the FSUIPC interface and press: Normal defaults everything responds normally again. Now it is nice to know that there is a cure to my problem, but what causes it? I don't want to have to stop the flight every time I depart from an airport to open up FSUIPC to press Normal defaults.
Simulator: FSX Gold SP2
FSUIPC version: 4.959
Cheers, Marc