Not sure exactly which change fixed it, but I got it fixed.
First, I did an extensive search of the Registry using Nirsoft's RegScanner app and saved the results. Then I ran the Purge .bat file for Groupy. Restarted the computer and then checked to make sure all the Registry entries were removed. They were.
Next, I ran a search of my C: Drive for "Groupy." I found a strange entry in "C:\Users\MyUserName\AppData\Local\Packages\Microsoft.Windows.Cortna" that had Stardock Groupy Config at the end of the file name and I deleted it.
Then I downloaded the latest Groupy Beta "Groupy2_2.1.2.0-j109-Setup_sd," restarted the computer and then installed it.
Hallelujah, the issue was fixed!
Not sure if it was all the work I did, or just the new beta version, but it's fixed.
Remember, I'm running Windows 10 - 19045.3448