I noticed after recording the PBS show "The War" that the last couple of times it did exactly the same thing on 2 show... made a 121 min. file, and several 6 min. ones. Did it on both shows. And since I've been home it has rebooted on cue about every 5-10 minutes even if I'm not doing anything with it. I've had this single tuner Series 2 unit for a couple of years. Maybe I should go buy one of the new dual tuners for $99? Little update. First... forget the 121 and 6 min. stuff. If it's rebooting every 5-10 min. then that explains "MOST" of that. I assumed that as long as the TIVO is on it would keep rebooting but I've been watching regular tv now fine. This is outside the menu, watching recordings, etc. I thought it would keep rebooting as long as it had power on. OR maybe it is but I wouldn't know if I wasn't in the menu system?? Last update.. cleaned it up and manually deleted a lot of stuff and it's been ok for awhile now. Maybe the hdd is on the fritz?