My Ipod will not reboot using the tools on Itunes. My messages are that my serial number doesn't match my unit and a error code (28) pops up. The unit, when installing the new software, shows the Apple icon and down load bar but it disappears and the error messages re-appear. No luck from Apple on verbal tech assistance via phone... I just down loaded Itunes today so I have the latest version. I also completely updated my computer with 61 new up dates and checked my firewall...all in good working order.