Hi @WshaZer,
A warm welcome here in the Roku Community!
We understand you're having a problem with the Xfinity channel since it kept you signing out. We're happy to help you. Please try to update the channel by highlighting the channel tile, pressing the star button on your Roku remote, and selecting check for updates.
If the problem still persists, please keep us posted.
All the best,
John
John
Roku Community Moderator