I think my ipod has been formatted for a Mac instead of for Windows. When I look at the settings, the last item on it is a serial number beginning with M instead of saying formatted for Windows. The CD doesn't seem to work because I have a newer version of itunes on my PC. I wonder what would happen if I uninstalled that version of itunes first - would I lose my music? I have no music on my ipod right now but I've tried resetting it with no joy. Any suggestions would be great.