I have the same problem. Reboot or unplugging does not solve problem. I will go through OTA channels, 18 in Chicago, and hide the ones I dont want. As long as I stay in the locals the hidden channels stay hidden. When I go into the Sat channels, some not all, of the hidden channels return but will not receive a signal. Also, I have to tune to a Sat channel long enough for the info bar on the bottom to disappear. If I only surf the channels quickly and return to a local channel without the info bar disappearing the hidden channels stay hidden. I called Voom about 2 weeks ago and the rep said he never heard of this but will make a note of it. I have had Voom since Dec 19 and after initial problems were solved all 3 of my boxes worked great except for caller Id. After the caller Id fix about a month ago, the problem with the locals started