I haven't seen this behavior before on a RokuTV. Are you using a RokuTV or a TV with a Roku device connected to it via HDMI.
Can you post a screenshot when this occurs. (use the little camera icon to upload your photo).
Roku Community Streaming Expert
Just another Roku user... I am not a Roku employee.
Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102