I don't have Nero 6 any more but I am sure that in Nero Express you selected CD or DVD from a drop down box. This may be somewhere at the top of the window or perhaps at the right-hand end of the scale at the bottom.
Galaxy Note 8 vs iPhone X
Awful clip art from 1994 is being tweeted every hour by a bot
iPhone X vs Samsung Galaxy Note 8
Les meilleurs navigateurs internet 2017