I haven't plugged my Series 2 in for months and a few days ago when I went to set it up again using straight antenna until the DTV box arrives I find it won't scan over the air signals any longer. It scans but hangs for eternity at channel 69. From what I've read on these forums I need a software update. It's been set up for a couple of days now but still no update, is there a way to force an update and, which software is the most current? TIA!