Problem with Roku returning to Home Screen after playing apps for a little while.

Hello I have two issues . The first the same as other YouTube cuts off randomly on my Roku TV that I just bought just over a  year . Some times also randomly gets stuck in some weird power saver mode . The worst part is I was never able to Register this tv that I bought from the Fort Worth Exchange in Sept 2022. It’s a 55 inch TLC 65S535  hardware ID A116x , serial X00300TVDE9X. My software is up to date . My apps are updated and redownloaded. I have YouTube premium. I also have Frontier Eero 6 it’s next to the router and it’s a new router so please fill me in on why Roku doesn’t work well with YouTube . I have already went through powering it on and off before so the issue is Roku and YouTube based