Remember Using an illegal serial number your nero program can cause the funtions of some of nero to be limited.
Everytime you load nero a small logfile is sent to nero telling them the program you are using could be illegal.
so Don't trust illegal serial numbers from unknown websites - they can infect your computer with spyware.
instead Contact Nero directly to get a serial number you can check this link http://www.nero.com/nero6/enu/Lost_Seria...
If you have registered your Nero/Nero Express retail /trial version and are unable to locate it , please an e-mail to email@example.com and they will provide you a new one.
Sorry, but if you have not registered your Nero/Nero Express burner and are unable to locate your serial number, they will not be able to provide you a new key!
If you have downloaded a Nero OEM-Version,from a genuine site they will need you to provide a copy of your proof of purchase along with your name and e-mail address.they can confirm the purchase and create a new serial number for you.