I've had a problem with GSX in P3DV3.4(Ground Services X) it was running as normal until it try to get the menu up, in game (CTRL + SHIFT + F12) i tried uninstalling it and reinstalling it as demo still no luck, GSX is in the Add-ons bar and everything is there, i tried restarting couatl and regenerate airport cache and tried again, still nothing.
Any Help would really mean alot