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.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11