TCM On Demand not working properly - XFinity

This question is about "TCM On Demand not working properly", with XFinity-Comcast TV channels, programming, and sports. TCM On Demand is again having a problems with the same issues as posted in April 2016. No listing of movies or that its even existing On Demand at all. When the problem is solved, please post what was done to fix it so that if it happens again, it can be resolved more quickly. It's been a week it's not working.

This topic covered TCM On Demand not working properly, and XFinity - Comcast cable tv service.