I would try a reboot of the Tivo and then re-run guided setup. NOTE: Guided setup will not delete any info, only add or change settings, rescan channels etc.
Original S1 (Recycle Heaven)
Series 2 (PLS, sold)
TiVo HD (XL, PLS, "652")
Juliet Basic (4XL, PLS)
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!