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I had a Windows XP Professional installation running fine until suddenly it stopped working and showed following error while booting:

NTOSKRNL.EXE is missing or corrupt.

I tried to boot through different bootable CDs (Windows XP Professional) but they all froze soon after the "press any key to boot from CD......" message. Windows 7 installed successfully, but I need to install Windows XP Professional as my system configuration isn't suitable for Windows 7.

Please suggest a solution to get Windows XP installed and running again.

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Could be a problem with your Windows XP Pro install disk? Have you attempted to use a different installation disk? – paradd0x May 16 '11 at 19:16
    
Do you have multiple partitions? – Not Kyle stop stalking me May 16 '11 at 19:19
    
@Thiago M.: Yes i have tried different installation disks too. – Mr-Right May 16 '11 at 19:21
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Hmm it's been a while since I have encountered this error... I remember having to delete the partition and recreate it. – Not Kyle stop stalking me May 16 '11 at 19:25
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In addition to what Kyle said; you can use the Windows 7 install disk to delete the partitions and recreate them and then try booting from the XP install disk. – paradd0x May 16 '11 at 19:27

As per my knowledge and experience, I would suggest that you should try to use the another hard disk (no specification space is mandatory) and than format it. Your problem will be solved.

I was having the same problem and I changed my hard disk and now I am using Windows XP on the new hard disk and on the old hard disk O have installed.

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