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Firefox Win 10 ethernet connection stopped connecting to Xfinity to stream. After signin it gets stuck at "adding device" This used to work fine. I have enabled cookies, disabled adblocks, etc. Nothing works.
Streaming works fine with MS Edge browser, but I exclusively use Firefox.
When it used to work, it would always ask to name the device every time. I'm out of ideas.
Solved! Go to Solution.
Marked "solved" topic now being closed.