Hi @Ka2,
Thanks for raising this issue in the Roku Community!
We understand you're having a problem with the YouTube channel since you can only get a purple screen. We're happy to help. Please try the troubleshooting steps that are provided below.
- Remove the channel: Highlight the channel tile on your home screen and press Star to open the Options menu. Select Remove channel and confirm.
- Restart your Roku device: Press home on your Roku remote, select settings, select system, and system restart.
- Re-install the channel: Scroll down to search, put the name of the channel or app, highlight the channel, and select add the channel.
Please keep us posted if the issue still persists.
All the best,
John
John
Roku Community Moderator