No Scans for a week and Scan Buttons are not active

I have been running Avira on my Mac's for years, but am experiencing problems on my 2012 MacBook Pro (OS X 10.15.7 & Avira 1.7.4). I had an SSD crash two months ago, did a full restore and after a week upgraded to Catalina. I had to re-setup Avira, but this went fine. After updating to 1.7.4 I ran into the setup issues that have been reported, but figured that out and all seem well. However, after the recent Catalina update, I noting that the umbrella was closed again so opened Avira: Real-Time Protection was turned off (I turned it on), the only thing in the Scheduler was once a week (I changed it to daily), so there hadn't been any scans since last Thursday (July 29th), the last virus definitions was August 1st and per the drop-down menu the last update was July 27th:

All of the Avira items are checked in the Privacy Pane:

I tried running a Quick Scan from the drop-down menu, was taken to the Scan window, but all of the Start Buttons are active:

The Quick Scan calendar looks like it is active, so hopefully I'll get a scan tonight.

I also Avira on several other Mac's: it appears to be working on my older MBA's (2010 & 2011 running OS X 10.13.6), but not on my 2012 MBA (10.15.7, but hasn't updated Avira since 1.6.0 and "Update" is not an option in the pull-down menu; last update was Much 27th).

Is what I am experiencing part of the issue that "is being addressed" by Avira?