Nope. No solution. I have been working with Esri on a solution.
I have been stymied as the faculty person has been out of town, out of the
country, has a garbage laptop with no functioning battery (outlet only),
and doesn't seem to understand it takes a day to install 80GB worth of
software and data.
However, after installing 10.6.1 with the 2018 Data, I was able to reduce
the number of errors from 4 to 2. I suspect Microsoft changed something
with their database engine support, or her version of Windows 10 is
torqued, or both. In any event, my most recent installation attempt allowed
Address Coder to actually launch, despite tossing 2 errors about
"groups.mdb" and a permission issue. I advised the faculty person to go
ahead an build her address file and try to use the Address Coder and see
what happens. In my previous attempts, Address Coder crashed after tossing
4 errors. This attempt tossed 2 errors and Address Coder continued to load,
a promising sign.
I have been meaning to install on a computer in my area of administration,
but time and work interferes.