"Uninstall windows live essentials."
Thank you for your suggestion Richard.BXL.
This afternoon I ran a repair of "Windows Live Essentials" and used the "tweaking.com" ("all in one windows repair") software to make some additional repairs and the pop-up seems to have gone away. (I did a number of restarts and the error did no appear again.) If it does, I will uninstall live essentials.
But perhaps it's time to uninstall windows and Microsoft and move to Linux. I have had enough of these silly problems and lack of support from Microsoft. MS support is now as bad as that provided by Cyberlink. We send log after log after log of information and nothing happens. It's called getting the run-around. They want us to go away.
As a long time user of MS OS even before it was called windows - remember DOS - I was willing to stick with windows as long as I could dual boot windows and Linux on the same machine. It is rumored that Windows 10 is not likely to support dual boot; if true, it will not be possible to run both windows and Linux on the same machine. If that happens, I might just move to Linux and put an end to this insanity.
Best Regards.