Richard Struthers, in all wisdom, typed:
Maybe it's time for a Nero driver update? They're up to 188.8.131.52 now. I'm
guessing you have a typo and really meant to say "Nero 184.108.40.206"
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Nero has a page on causes of crashes here, but it's really out of date: