@tomchrishurst Welcome!
It looks like you’re having issues with the LiveTV channels. We’re here to help, but we need a bit more information from you.
Can you share a picture or video of what’s happening? Also, can you provide steps to reproduce the issue you're seeing? In the meantime, try restarting the device by going to Settings > System > Power/System Restart.
Looking forward to your reply.
Roku Community Team
Jharra Q.
Roku Community Moderator