Ipod won't sync with Itunes - Norton Security is stopping it

Hi, I have spent hours and hours with technical support and the online forum with no solution to problem.  Itunes will no longer sync my ipod Nano since the last 2 updates and we have narrowed it down to Nortons Internet Security is stopping the syncing.  If I totally uninstall Nortons Itunes will sync ipod perfectly no problem.  So the only solution I have at the moment is every time I want to sync my ipod I have to totally uninstall Nortons, which is not satisfactory.  I am seriously considering purchasing another internet security software to avoid any further hassle.  Does anyone have a Total solutions please?  Thank you