Have you followed the instructions on Roxio's site for installing on XP?
There are some updates you need to install in a specific order. I don't know it off hand since I don't use Roxio crap.
Intel Pentium 4 3GHz
1024MB PC3700 DDR @400MHz CL2
ATI Radeon 9700 Pro
Lite-On LTR-52327S 52x32x52