Problems burning Xbox ISO to Nero

I have changed choosing the the dashboard in CloneXB back to the one suggested by the shop that modded the unit (UnleashX) and had another two failures. Then changed back to the one I had sucess with (EvolutionX) and had 3 more sucesses. That's 100% using one dashboard and 0% using another. Regardless of whether it is meant to have any relevance, I guess so long as it works for me I'll continue to keep doing what I'm doing.

Cheers
G