sorry guy, am closing this before deleting this thread in a couple of days. This has been posted numerous times. Just do a search or browse around in the forum for the answers.
(at least 5 posts on each subject I think)
but in a quick answer, you might still be able to update from msn site, but better off just changing the serial/cd-key for it.
As for norton, you can easily just download from them & update manually, but if your year has expired, there has been at least 2 or 3 apps posted on this board to extend your download updates for another year.