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My issue thread was locked https://community.norton.com/en/forums/norton-core-and-plex-truehd-stream , I am just posting an update. I took my core out of the box and with the latest firmware my issue is resolved. It's a shame my free year is up, it should be a lifetime subscription like my Cujo. Anyway I don't think I will renew. I do have a couple of small issues like the Qnap and Netgear app can't detect my NAS or Managed switch when using the Core.