Guide's Favorites list completely disappeared

Please read what I said.

"I added a channel to Favorites without realizing it was already in Favorites.  All favorites disappeared except for the channel I added."

My Favorites list now consisted of one channel.

@XfinityChelseaB​ Update ... after doing removes and reboots and refreshes, that one channel is gone.

So this is a new problem. This is the problem I need help on now.

Theoretically, the Favorites list should now consist of no channels, right?  An empty list.  Because I eventually Removed the one channel in the list.

That didn't happen.  The Favorites list was not empty.  The Favorites list was a hundred or more channels that I did not add to Favorites and have never in my life made into Favorites.  They all have stars.

Update:  ...   Today I spent a long time going through the Favorites list, the long one with all the channels I never turned into Favorites.  I did "Remove from Favorites" for many channels, one at a time.

Guess what.  Those channels still show in Favorites.  Only now they are in the Favorites list with no star next to them.  So Guide Favorites shows both starred and unstarred channels.

Why don't the Removed channels disappear from the Favorites list?  They are in the list with no star.

Update ... I did a System Refresh and also unplugged and replugged the box.

After doing this, all the Removed channels are BACK IN THE FAVORITES LIST, AND THEY STILL HAVE STARS.

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