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A disk read error has occurred - Press CTRL+ALT+DEL to restart
http://www.vistaarticles.com/articles/292/1/A-disk-read-error-has-occurred---Press-CTRL%2BALT%2BDEL-to-restart
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Published on 12/10/2006
 
When you restart the computer, you receive the following error message.

A disk read error has occurred - Press CTRL+ALT+DEL to restart

To resolve this problem, install the earlier version of Windows on the primary boot partition, and then install Windows Vista on a new partition. If you want to be able to start from more than one operating system, install the earliest version of Windows first, and then install the later versions in the order of release. For example, install the operating systems in the following order:

1. Windows 2000
2. Windows XP
3. Windows Server 2003
4. Windows Vista
Install each operating system according to the standard installation procedure.

Note Install each version in its own partition.