I have this problem.
I installed it on another computer just in case.
have the same symptoms
install error : There was a problem adding drivers to the repository.
RealSense - cool, great system. I used it when it was new - 2012-13.
You will need to ask on the RealSense forum.
This forum is for Intel(r) Graphics Performance Analyzers - a set of tools used to find performance hits in real-time rendering in order to optimize rendering.