update. I think I found a solution.
I read this thread:
https://render.otoy.com/forum/viewtopic.php?f=30&t=73228&start=10
I went to reddit and read the method there, wintab32.dll library I did not give out in the bug report, but it seemed strange that I also recently purchased a Huion tablet, and ...

I have same problem. Does anyone have a solution?
win 10
Nvidia Geforce RTX 2080 super
Nvidia Geforce GTX 1080
64 gb ram
471.41 studio driver (472.39 gives the same result)
Octane 2021.1 (2020.2.5 gives the same result)
Cinema 4d s 24.11
The game driver solves 90% of the problem and such ...

when i clear cache folder - all works fine most of time, (and i had to turn off texture caching). But there is some bugs left, for ex. native gradient cinema 4d in any node - instacrash octane.

Aoktar, can you please help us? Or tell me what to fix in our systems in order to get rid of crashes. On the advice above, I updated Windows, but nothing has changed for me, the crashes are the same. Any idea what might be causing this?

Try this :

C:\Users\username\AppData\Local\OctaneRender ...

Aoktar, can you please help us? Or tell me what to fix in our systems in order to get rid of crashes. On the advice above, I updated Windows, but nothing has changed for me, the crashes are the same. Any idea what might be causing this?

Now crashes even when using the standard cinema gradient. Is there any chance of fixing this or telling me where to look for a solution?

Hey. Thanks, did it today, checked on a project that crashed - the result has not changed. In other words, the same octane crash.

cinema 4d r19, octane 2019.1.5 (and it was same issue in last 3 stable releases) the current driver is 442.19 (but as I already said the problem has existed for about a year, so there were different versions of drivers) right now I'm trying to fix the project from crashes, I can show it on Skype, or ...

Hello. It also happens to me often, due to textures. Moreover, crashes have a chaotic order, the octane can read the texture and then start to crash because of it. Saves if you understand what kind of texture and re-save with a different bit in a different format. Sometimes up to 50-80 crashes per ...

Hey. I just tested on latest version Octane and 441.08 driver - all works perfect