Failed to create material

I cannot drop nvidia sample materials to my object.

I just re-installed cache, drive and machinima. Same error still, as you can see from the above image.

What could this be?

Pekka, this is another case where your log file could be helpful when you get this issue. Please feel free to attach a log file here if you are comfortable. If not, you are welcome to email it to me as well. and I will get it to the folks who can debug this issue you are having.

Here is a log ( service: system monitor) as txt file attached.
pekka-log.txt (744.8 KB)

Here is a fresh screenshot of this problem:

From there you can also see the error message.
I hope you can help me now?

re-intalling win 10 fixed this problemo.