Hi, @Pk6
Thanks for posting here in the Roku Community.
We understand your concern regarding the Acorn TV that will not work on your Roku TV, and we're here to help. We recommend performing the troubleshooting steps down below to resolve the issue.
- Navigate to the channel tile on the Roku home screen, press the star (*) key on your remote, and choose "Remove channel".
- Next, restart your device from Settings > System > Power > System Restart (If you do not see a Power submenu, skip to the next step).
- Once your player/TV starts up again, go to "Streaming Store" on the Home screen, and add the channel back once more.
- You may also refer to this link: How to resolve a channel playback issue | Official Roku Support
If the issue persists after performing the provided troubleshooting step, it is advisable to contact the channel provider's support team directly for further assistance. They may offer a potential workaround or indicate whether an update to their application on the Roku platform is required. It is important to note that the majority of channels available on Roku are developed and maintained by the respective channel providers.
We hope you find this information useful, and feel free to reach out to us anytime.
Thanks,
Kash
Takashi O.
Roku Community Moderator