Richard Struthers, in all wisdom, typed:
Maybe it's time for a Nero driver update? They're up to 220.127.116.11 now. I'm
guessing you have a typo and really meant to say "Nero 18.104.22.168"
Current updates for Nero 5.5 are available here:
Nero has a page on causes of crashes here, but it's really out of date: