(Re-installed as instructed, no change, but I found what I believe to be a minor bug in the default positioning of pop-up panels).
I have 3 screens, but I run X-Plane on the right-most monitor (monitor number 3) in single-screen mode.
Most panels in the Challenger menu (User Settings / Engine Status / APU Status) will display in the middle of the screen as expected, no matter the monitor I use.
However, I now realize that all the PID panels and some other panels, default to a position that is outside of the fullscreen view on monitor 3, but they do open, I just can't get to them as they're off the fullscreen view. If I switch X-Plane fullscreen view to my middle monitor, (monitor number 2), all the PID panels show as expected. They also show as expected if I put X-Plane into windowed mode.
Is there a config file where I can change the default positioning of the PID panels (and others that are sitting off screen for my set-up), so they have the same positioning as the Engine Status panel?