I don't have the issue (yet??) but there seems to be a lot, really a lot, of problems being reported with Windows 10 Update (KB4013429).
MS Release Notes - scroll to the bottom for known issues:
https://support.microsoft.com/en-us/help/4013429/windows-10-update-kb4013429
one or two other comments:
https://www.reddit.com/r/sysadmin/comments/5zw5r3/heads_up_windows_10_kb4013429_makes_applications/
https://www.tenforums.com/windows-10-news/79345-cumulative-update-kb4013429-kb4013418-windows-10-build-14393-953-a-8.html#post960956
Just making members aware of the potential cause of any odd behaviour in PD or other media based software.
Worth checking out if you have an odd problem??
Cheers
Adrian Life is really simple, but we insist on making it complicated. (see below)
Confucius
AMD Phenom IIX6 1055T, win10, 5 internal drives, 7 usb drives, struggling power supply.