Solved! Thank you Beppe, hope it will be fixed ASAP because it's really hard to work with windows at 100%!

Hi
I've a problem with the 2020 version, previously i worked with the 4.02 without problems. I have now installed the 2020 together with the recommended nvidia studio drivers and I have the problem described below

A. Win 10.0.18362
B. 2 x NVIDIA GeForce GTX 1080 Ti
C. 64 GB
D. Nvidia 452.06 studio ...

yes, applying a sphere on the particle rendering object tag, it works. Tnx

Ok thank you
I upgraded both versions of C4d and octane, now i see particles, but i don't see colors. I,m using for example a mix material with two rgbspectrum applied to the emitter but nothing changes in my octane viewer.
I'm still using as reference the tutorial https://vimeo.com/124982906, at ...

Dears, i've some problems to visualize emitted particles from an XPemitter.
I'm doing the tutorial "X-Particles & Octane in Cinema 4D Overview" and even if I check the “enable particle engine” in octane, nothing appened...if I use, instead of an XPemitter, an XPgenerator with a geometry inside, it ...