OK, no problem...
Thanks for the help.
I'll wait...

Here are the stats:

NVIDIA GeForce GT 330M:

Chipsatz-Modell: NVIDIA GeForce GT 330M
Typ: GPU
Bus: PCIe
PCIe-Lane-Breite: x16
VRAM (gesamt): 512 MB
Hersteller: NVIDIA (0x10de)
Geräte-ID: 0x0a29
Versions-ID: 0x00a2
ROM-Version: 3560
gMux-Version: 1.9.21

Edit: I've added a screenshot of ...

Yes, I've done everything exactly as discribed...

But as I wrote before, if I user your recomended drivers, I've got the message, that no cuda capable device was found...

If I install the latest drivers (dev 3.2.17) and the latest toolkit (3.2.17) then octane starts.

But then I've got problems to ...

No, that doesn't work either...
First I downloaded the recommended drivers and packs, but with that I couldn't even start octane. Then I installed the 3.2 drivers and was able to start the program.
But when load a file from the DemoSuite and click on the node nothing happens...

Then after a minute ...

Hi,
When I try to import an obj file (add->objects->mesh) the import seams to be ok, but when I click the node nothing happens.
If I click in the render viewport nothing happens either, but after a few more clicks octane crashes...

The mesh is exported from blender...

Greetings Kolja