Stanley

Looks like this could be a bug in PMDG aircraft affecting some users. I'm not able to reproduce it even though I fly PMDG 737-800 80% of the time.

This bug happened much more frequently for me more than a year ago, especially when I flew A320 and encountered this particular bug quite often (either using POPM or manual...

It could be a bug in PMDG since I've been flying 737 80% of the time and have POPM configured to pop out PFD/MFD/ECAM and POPM did not pop out...

I'm not able to reproduce your issue. By any chance you have POPM minimize to tray instead of closing the app. In any case, I'll continue to try to see...

If POPM is still lingered in Task manager after you close it, something must be stopping it from closing correctly. I'm unable to reproduce it so it could be system...

Not sure could One Drive causing POPM to hang since my system is not setup with One Drive as documents folder. A to-do on my list is to add alternate...

[SierraBravo1](https://github.com/SierraBravo1) Thanks for the information. I'm looking into the issue. POPM could be constantly trying to detect keyboard input in the background which causes the app fail to close properly.

I've tried various scenarios but was unable to reproduce the issue either with keyboard shortcut preference setting active or inactive. It must be something else on certain PC that causes...

I've identified the issue that causes inability for POPM to close correctly. A fix will be released in the next couple days. Thank you all for helping in narrowing down...

Version 4.1.1 has been released and hopefully it fixes this issue.