Photoshop 101; CS 3

I just bought and downloaded this tutorial and it downloaded videos 1-16 and stopped. How do I get the rest? They are all red and nothing I do seems to work?

Ensure you have enough space on your hard disk, then goto the Documents > NED folder and delete the Photoshop tutorial.

Relaunch NED and click the Tutorials page > update button ... it'l re-download the tutorial!