We have been experiencing problem with channels freezing. The channel will freeze, sometimes it unfreezes about 2 minutes later; sometimes a message appears saying outages are being checked in our area. When I change the channel, the other channel is okay; at other times, the other channel I change to is unavailable. I also get this message at the bottom right saying Widgets are not available. We have 3 devices, a DVR and 2 mini boxes, and this has occurred on all of them. Could this be an issue with the devices or a connection problem?