Same problem here. Have you recently replaced a TV box? That is when my problem started with On Demand. I have run through all the troubleshooting for our 4 TV's. One new TV box. Last time I had a problem I went through Facebook messenger for Comcast home page. The wait was not too long and you do not get timed out like on the chat. I will be doing this again with this problem. I wanted to troubleshoot first so I could eliminate that. We have no cable competition so we are stuck with Comcast for now.
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