I am very unhappy the way Roku is constantly interrupting with pushes for new channels/services to add. When I pause something I am watching and expect to come back to it, instead I find a new station loading that I did not select. I then have to go searching for what I was in the middle of watching. It gets so annoying that I may just toss my Roku and go back to my Fire Stick. Is anyone else tired of this?
I believe some screen savers (including possibly the default) display ads, and if you press the right key, they go to the advertised thing. Try one of the Roku clock screensavers. They're also built-in and have no ads.