Gladly, I found the issue!

rename the nvcuda.dll file to nvcuda-dll from C:\Windows\SysWOW64\ folder.

Now the clothdemo should work in the CPU mode.

Last edited by rojart; 07/26/18 18:47. Reason: solution
Regards, Robert

Quote
Everything should be made as simple as possible, but not one bit simpler.
by Albert Einstein

PhysX Preview of Cloth, Fluid and Soft Body

A8.47.1P