Welcome and thank you for posting here in the Roku Community, @pauly1973!
We appreciate you reaching out for support.
In this case, this is usually a network issue for the reason of, you can still access The Roku Channel on a different device.
We suggest trying a different Wi-Fi network or connecting your devices to a mobile hotspot to see if there will be any difference.
Let us know how it goes!
Best regards,
Carly
Carly Y.
Roku Community Moderator
