TV App on Smart TV - TWC TV and Apps

I view the TV app from my smart TV and am experiencing, consistently, blurred screen, interruptions and freezing. I have contacted both TW and Samsung with no change. Samsung did check my internet speed and said it was sufficient to receive a clear signal. TW was not helpful and told me it had to be a Samsung issue. Anyone have this issue and have found a solution?

This question is about "TV App on Smart TV", with Time Warner Cable TV and apps.