That did actually work! Thanks so much!!

Microsoft Windows 10 Pro 10.0.18363 Build 18363
Nvidia RTX 2080 Ti
64 GB RAM
Nvidia Studio Driver 442.19
Octane Studio 2020.1
OctaneStudio-for-C4D-2020.1_win
Cinema 4D R21.207 (Build RB303831)

I started a subscription to Octane 2020 today but am having a difficult time getting it to work in Cinema ...