I know of no way to block an installed channel on a Roku.
If you can determine the address(es) of the server(s) the channel is using, you might be able to block them on your router.
Why not just uninstall the channel?
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X
