when i try to put songs from the library to my ipod it says its corrupted and cant read the thing or somthing.....

.... so im like ok no big probably just another annoying thing the comp does but when i put the songs in it shows the songs in my ipod on my comp screen but when i take off usb cord and look for the song in my ipod nothing there.... plzzzz help!!! im stuck with a 30 gig ipod with no songs!!! ive been playing brick and solitare for the last 2 weeks

and trust me it gets old really fast
THANKS IN ADVANCED
