Nero does not work after format

Just formatted and done a complete reinstall to a perfect system with one exception nero does not now work,when i have never had any probs before.i have new new ver 6…25 and still no joy.I,m using win xp pro with sp2.I have aspi 4.72 installed as well.



when i start nero smart start the curser blinks but the screen does not change.When i cnrtl/alt/del i see it running in the back ground.