Are you using the official build or a nightly build of Blender? One thing I've noticed is the nightly builds don't use the same version of python so it might not work. We only officially support the official builds.
Well I think I have 2 problems. I am not using the nightly builds, I did
try with the 2.79 master and 2.79b versions with the same outcome for
both. But on an earlier attempt, I had the issue of the ffi portion
missing from one of them earlier, so I know that was a build issue with
Blender. I seriously have had no luck with installation of RPR for
Linux, Windows 10 was working fine up to version 1.4, but RPR after that
would not run, and I'm running a Ryzen 1700, but an nVidia GTX 970. I
just don't know what happened after 1.4.
I was wondering if it is important to install with sudo, but if so I
have gotten the same result, and I have followed the instructions on the
Any help is appreciated.