With what ? A router / gateway device ?
Hello cshaycraft. Thank you for posting on our Forum. The parental controls on your Xfinity equipment should not "stop working" on its own. I would need to investigate your concern against your account. To get started, please send me a private message and include your full name so I can assist you. You can click my name (ComcastJoeTru) to view my profile and send me a private message. Click "Send a private message" and private message me.
Hi cshaycraft. Since we didn't see a response from you on this, this thread has been locked. Please don't hesitate to create another post if you need any other assistance. Thank you.