Strange behaviors. So, to answer your question, I used this procedure, provided by Sibro:
Open a cmd prompt with admin rights, copy and paste this command
winget uninstall MicrosoftWindows.Client.WebExperience_cw5n1h2txyewy
Restart
Open a cmd prompt with admin rights, copy and paste this command
winget install 9MSSGKG348SP
Restart
I used the same commands when it got the "Modified moments ago" message, and unfortunately the message persisted.
To solve the problem on the one R.P. machine that was affected, I update my current public Build 22621.1702 to R.P. 22621.1776 and that fixed the problem on the machine that had the issue.
Weird that other 2 R.P. machine did not have this problem at all. π€·ββοΈ
Aha once again. So that's indeed what I had noticed, after installing 22621.1776. It stopped telling me that Web Experience Pack was "modified moments ago." I thought that was a problem, especially because the widget didn't show up on a particular reboot (but did show up subsequently).
So to fix what I thought was a problem, I went through that uninstall and reinstall procedure, and now it keeps telling me that it was "modified moments ago."
So basically, it looks like installing 22621.1776 had actually corrected the "problem," and I instead thought it created a problem. Good to know, anyway. At least now, I don't have to obsess if I notice that Web Experience Pack is not always at the top of the updated apps list.
Thanks, fg2001. I could never have understood what was going on, without your huge assortment of PCs, running all manner of Windows variants.