To summarize the 50 previous entries it would appear Gen 4 owners hosting their TABLO on either Roku or fire stick all have the same problem, in most cases while watching either live OTA or FAST channels and that support is aware of the problem and are working on it. Presumably some Gen 4 owners must be happy with their boxes so it leads me to believe that a number of us have received bad units. I too have submitted a problem report to Tablo over a week ago and have heard nothing. The solution to all this, I’m going to return my Gen 4 for either a refund or exchange, haven’t quite decided yet and revert to my old ChannelMaster unit.