Thank you so much for your help.

I updated the drivers (I actually used DDU).
As for the plugin location, in my case is in the appdata folder.

Here's a screenshot of the console. Only the bottom part is left off, as it's about the X-Particles license.
Also, the text doesn't wrap, so the line about ...

Hi there,

I'm considering switching from Redshift to Octane.
I've used Octane in the past: at the time, crashes were quite frequent.

I decided to give it another try, and I see crashes are not gone.
I'm using C4D R21, and Octane Render Demo 2021.1 (11000014), on Windows 10, (2) 1080ti (driver 472 ...