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Hi frankmci,
big thanks for sharing your experience
I would have never thought that the issue came from C4D R18.048
ciao beppe

frankmci wrote:For the last few days I was also having trouble with C4D R18.048 instantly crashing on startup with an eGPU, GTX 980, Mac OS 10.12.5, various OctaneVR versions, etc. I tried all the same things Gwerilla did, with no success until I finally rolled C4D back to the previous update, version 18.039, and now all is well. I will definitely duplicate my current C4D 18.039 install before attempting the next update.

You can download previous updates here:
https://www.maxon.net/en/support/downloads/
and install them on a fresh C4D R18 through the Help>Manual Installation menu.

I hope that's useful.

frankmci

Thanks for info! What would be useful if you have some "bugreport.zip" so we can see where it happened.

Hi Frankmci, thank you for your reply!

I bought a new card (GTX 1060), because it seemed very hardware related. In order to get it running I needed to update to OSX 10.12.5 and install the new drivers for the GPU.
So in the end I updated everything: OSX, GPU driver, CUDA driver and Octane VR. Im still on c4d R18.041.
When I restarted I had a crash right away but after that one crash it seemed to run properly; I had it rendering for 4 hours, aborted the render (which always used to cause c4d to crash) and it didn't crash one time. So fingers crossed tonight and tomorrow; hopefully it won't crash and it's finally solved!

If it does crash again, I will try the previous version of c4d, for sure. Thank you for sharing your insight!

I bought a new card (GTX 1060), because it seemed very hardware related. In order to get it running I needed to update to OSX 10.12.5 and install the new drivers for the GPU.
So in the end I updated everything: OSX, GPU driver, CUDA driver and Octane VR. Im still on c4d R18.041.
When I restarted I had a crash right away but after that one crash it seemed to run properly; I had it rendering for 4 hours, aborted the render (which always used to cause c4d to crash) and it didn't crash one time. So fingers crossed tonight and tomorrow; hopefully it won't crash and it's finally solved!

I've seen that "crash once, re-launch, runs fine" behavior, too. I'm guessing it's writing a file it needs to be present as it initialized the plugin the first time you launch. The second time, the required file is there, so it's happy.

Thanks for info! What would be useful if you have some "bugreport.zip" so we can see where it happened.

Sure thing. Do you just need the standard .crash diagnostic log file for C4D?

Aaaaannnndddd the crashes are back.
2 days without crashes and it started again..

So there are endless combinations of c4d software + CUDA drivers + OctaneVR versions, but if it's so random, isn't it just hardware?
How can I possibly try all these software combinations?! That would take me forever...

Gwerilla wrote:Aaaaannnndddd the crashes are back.
2 days without crashes and it started again..

So there are endless combinations of c4d software + CUDA drivers + OctaneVR versions, but if it's so random, isn't it just hardware?
How can I possibly try all these software combinations?! That would take me forever...

PM me if you wish a direct support.

frankmci wrote: You can download previous updates here:
https://www.maxon.net/en/support/downloads/
and install them on a fresh C4D R18 through the Help>Manual Installation menu.

So, crashes all the time again with starting up Octane, after the first render when I touch a button or object in c4d; Octane crashes.

I downloaded the file you mention, and if I go Help> Manual Installation and select the update file, it says there is no update. Probably because I'm on R18.041?
So this doesn't work for me.
On that Note R15 had the same crash issues.

Don't know what to do anymore, so here we are again, clueless about what to try....

I downloaded the file you mention, and if I go Help> Manual Installation and select the update file, it says there is no update. Probably because I'm on R18.041?

You have to apply the update to a clean install of C4D, or at least one older than the update you are running.

frankmci wrote: You have to apply the update to a clean install of C4D, or at least one older than the update you are running.

Great, thanks!