I am having the same problem.  It recently started not because I purchased Pandora ULTRA.  It doesn't logically follow that it is ROKUs fault.  Hear me out.  If it was ROKUs fault then anything (platform app) playing would be interrupted.  For example if I were to watch Netflix, after one minute (or whatever time you have set for the screensaver) the movie would go out and the screensaver would come on.  I am trying to look up how to solve the problem, possibly on YouTube.  I will also call Pandora. ... View more