This is an old software bug. Just reboot your box and that line will go away.MichaelG said:I noticed the "red line" for the first time this weekend. My wife was watching Bravo and she complained about this "line". Depending what solid colors were on the screen it was mostly red but sometimes green.
I changed channels and noted that it didn't appear on any other channel at that time.
(To reboot: Switch to channel 100, then press the power button on the box itself for 6 seconds and then release. Leave your box alone for 10 minutes while it acquiers the program guide.)