There is a supposed compatibility issue with Nero 6 ROM and XP SP2, when you try to use it a warning window pops-up, you can go to the Nero website and download a Nero 6 patch for SP2 (about as big as the original Nero program).

I didn’t bother doing this being on dial-up, so I just ignored the warning and went ahead (no pun intended), to see what would happen. No problems, I can still use Nero 6, I just ignore the warning about compatibility.

This may or may not be the same for everyone.