BSOD Ftw?

Okay I cracked Vista - it found out. I formatted, used my grandparents 30 day disc of Vista Home Basic, upgraded to Vista Business, and now I'm stuck. I have no idea what to do to get XP back. I have created another partition in hope to dual-boot. Once I insert the XP disc and run my computer to priority disc-boot first, I run XP installation and I get to where it says "Windows is Starting" at the bottom and it goes to BSOD.

BSOD = Blue Screen of Death.

Here's the BSOD I get: http://dynabook.com/assistpc/faq/pcdata/images/004037a.gif

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Q & A
Q: Have you tried running XP installing from the desktop?
A: Yes, dumbass, Vista blocks attempts to install XP

Q: Have you tried updating your drivers?
A: Yes, ALL OF THEM.
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ANY HELP IS APPRECIATED

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