Are you sure you have the 2020.1 direct link installed?
The older versions will be looking for the older versions of TM, and if they are not installed that may be why it can’t find the program.
One of the forum moderators.
Versions 6.5 to 25
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Dell Precision 3510 - i7 6820HQ @ 2.70GHz, 16GB RAM, AMD FirePro W5130M, Windows 10