My F900BT started rebooting yesterday when i left for work. It was going from the splash screen to the main menu and would then go back to the splash screen and to the main menu constantly. I could continue to listen to the radio (FM or AM) uninterrupted, but couldn't really do anything, couldnt get into settings, etc. I called Pioneer and attempted to get my call escalated beyond their first line "tech support" but the only response I could get was to reset it, and since that didnt work, send in the unit. Well, I know Windows CE pretty well inside and out since I do a lot of software dev
