Fox News Channel Not Working

For months now I have been having issues with viewing the Fox News Channel. The picture becomes grainy many times and voice comes in and out. All other channels are working perfectly fine. My parents who have a different cable provider, never seem to have any issues. I also have friends who have a Xfinitywho are having the same issue.  I am curious how many other people have complained about this same problem. I’d hate to think this is deliberate by Xfinity.  Prove me wrong and GET THIS FIXED!