https://ss64.com/nt/delprof.html
yesterday I went to that site and found that he wrote:
2018-10-09: Delprof2 has issues with UWP apps on Windows 10. Why? Windows 10 stores per-user settings in per-machine database files that are exclusively locked (almost?) all of the time. I consider this a design flaw on the part of Microsoft and I am not going to waste my time trying to work around that.