08-16-2013 02:49 PM
Not sure about credit for unused time? But your best would be to contact Live chat, explain the situation to them and they should be able to assist you.
Live chat- www.norton.com/chat
08-20-2013 02:00 PM
You can request for a full refund from Norton as long as it has not been more than 60 days from the date of purchase. Here is the number to call:
Phone Support Number: 1 800 745 6061 / 1 800 745 6034