I can't watch channel NBC because for ERROR CODE 8100 NOT HAPPY!!!!!
We sincerely apologize for your experience while attempting to watch NBC. This is a known issue that we are actively working with NBC to resolve.
In the meantime, as mentioned by user @snazzyt, you are able to use your Xfinity username and password to view NBC content directly on their website or app. We appreciate your time and patience while we work to get this resolved as soon as possible.
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