Ray,
Thank you for helping me resolve the same problem. I could not complete a flight more than about 1.5 hours of flight time without the silent CTD. No events, no messages, just P3D freezing and dying as a non-responsive program.
I have not yet reinstalled GSX, but intend to in the future.
I also saw the same messages when uninstalling. I could not tell which files were being refreshed.
Regards,
Dave Wadsworth