Music from iPod to computer

[Jess]

I need to transfer my music from my iPod to my computer...I've tried using SharePod but I always get an error so I can't use that :/

Or maybe I can get help as to why I get an error when opening Sharepod?
System.NullReferenceException error occured
Reason
System.NullReferenceException: Object reference not set to an instance of an object.
at SharePodLib.IPod..ctor(DeviceFileSystem A_0, IPodLoadAction A_1)
at SharePodLib.IPod.GetConnectedIPod(IPodLoadAction action)
at o.a()

SOLVED