Hello The Sea,
I am a Nero employee and would like to help you.
Did you try updating Nero to the latest version and creating a new recovery disk? You can download a free update for your Nero 9 installation by visiting the following page:http://www.nero.com/eng/downloads-nero9-update.php
If the problem persists, you can contact our technical support at any time:http://www.nero.com/eng/support-form.html
Or seek for help in the My Nero community:http://my.nero.com