Hi, @RehabDJ.
Greetings from the Roku Community!
We appreciate you letting us know that the troubleshooting step of rebooting your Roku TV resolves the issue you've experienced within the Plex app. This will be very helpful to those who are having the same issue.
It is indeed true that sometimes refreshing your Roku TV's system will help resolve playback issues. For future reference, here's our support article dedicated to this:
Furthermore, feel free to reach out anytime you need help or you may create a new post for different concerns. In the meantime, we hope you continue to have a Happy Streaming! 💜
Best regards,
Carly
Carly Y.
Roku Community Moderator