That worked. Everything is running as it should so far.

Thanks for the help!

Brink, reinstalling the app (Adobe's After Effects v16.1.1) hasn't helped. The annoying thing is the app works on every user account I've setup and tested on my laptop, except for my Microsoft user...

Brink, thanks for the help. I successfully saw it thru to the other side.

However, since it didn't fix my original reason for trying to reset permissions the wrong way, is it safe to say it...

So... it turns out I got some bad advice from an “Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP” over here… File/Folder permissions preventing app launch?

He had me...