Greetings, I attempted to fire up the JS41 after a few months of letting it sit idle, and am now running into all sorts of problems. The most prominent of which are recurring CTD's during the normal start-up procedure. They happen randomly as buttons in the VC are pressed, and no error messages are given when the sim crashes. CTD buttons (so far) have been avionics, battery, and ground power. There is zero consistency, meaning each button has caused a crash but the buttons have been pressed other times without a problem. Thanks in advance for any help you can offer.John Cagle

Try running the installer and selecting repair for both the aircraft and the C++ files. If that doesn't work, try uninstalling then reinstalling FSX SP2 (or Acceleration). If that still doesn't help, fill out a trouble ticket at pmdg support web site.