Try the following steps:
1. Remove the Roku Channel app from the device. Press * and then press “Delete channel.”
2. Restart your Roku device. Go to Settings > System > Power (if not applicable, skip to the next step) > System restart.
3. Once the device is restarted, reinstall the Roku Channel app.
I’m into videotapes and old electronics stuff, including extenders, converters and analog 4:3 TV sets (which are obsolete these days), and Miss Bianca is my favorite character in Disney’s The Rescuers (1977) and its sequel, The Rescuers Down Under (1990). I am not a Roku employee, only a user like you. ~ Jordan
Roku Express+ 3910X