Error during Windows install

Line 0 of dmreg.inf is corrupted. Setup cannot continue.

This is a brand new Lenovo laptop that had Windows 7. Trying to downgrade to Windows XP Pro.
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XP disc can be corrupt try with another one

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get another install media , the disc is bad .
It might be possible that your laptop cannot be downgraded due to license or hardware restrictions  .
Have a look at the following link and then email lenovo with your model number to see if you are allowed to downgrade .

Have a look at the following url as well for info on virtualizing win xp
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Microsoft Legacy OS

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