Been dealing with this for a few weeks. Some channels (mostly sports channels it seems) will occasionally go through periods where the images freezes/sputters every few seconds/minutes and the screen becomes heavily pixelated. I tried adjusting the cable and restarting the box. But it still happens. I was just chatting with a rep via chat who apparently "refreshed" my system but nothing changed. The rep/chat stops replying and now I can't seem to open a new chat. So I am posting the issue here in hopes that others have had similar issues and can help.
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