HP CD52 External CD-Writer Series - Manual (Page 11)

Nero BackItUp Working with Nero BackItUp • 11
7. If you only want to be able to restore the files after entering a password, click
on the 'Use Password' button, click on the 'Activate Password' radio button
and enter the password in both text fields. The password must have a
minimum of six characters. Then click on the OK button to save your settings
and close the window.
You can only enter a password when the files have been compressed.
8. When you have chosen all the settings you want, click on the 'Next' button.