Both work fine here. I'm running WinXP Professional Corporate Edition and both programs are working fine. The latest CloneCD version 126.96.36.199 is optimized for WinXP so it should work. Nero 188.8.131.52 should also work fine.
Both program have their own ASPI so you shouldn't need it but it might help (I don't know but it can't hurt):
On www.cdrsoft.cc (downloads section) you can download Force ASPI. Maybe this will help...