SB M1 worked fine before I went away on holidays, went away for holidays, shutdown my LAN, on return restarted the LAN, and SB M1 no longer worked. Messages received by me directed a hard restart, which I have done repeatedly and still no satisfaction. I have shutdown antivirus, re-enabled (unsecure) UPNP on router, with no apparent effect. The SB M1 keeps trying to update software and seems to stay in endless loop to try to update software. Have tried relogging into Slingbox, resetting SB M1, etc., but still no satisfaction. Coincidentally, the box went out of warranty on January 1, 2016; I am most unhappy at this situation! Anyone else having similar problems? Anyone have suggestions?