During the upgrade from Win98 or WinME, Setup issues:
ntkrnlmp.exe could not be loaded
Error Code 7
Setup has incorrectly identified the number of processors in your computer.
To resolve the problem:
1. Flash your computer's BIOS to the most current level. See tip 3414. If this resolves the problem, exit this procedure.
2. Troubleshoot using HOW TO: Troubleshoot Windows XP Problems During Installation When You Upgrade from Windows 98 or Windows Me. If this resolves the problem, exit this procedure.
3. Perform a clean install of Windows XP:
A. Insert the Windows XP CD-ROM in your CD-ROM or DVD-ROM drive.
B. If the CD-ROM auto starts, press Install Windows, or use Start / Run / <CD-ROM:>\Setup.exe / OK.
C. Press Enter.
D. Press New Installation.
E. Press Next.
F. Follow the on-screen instructions.
G. When you see Press F6 to load SCSI/Raid Drivers, press F7 to bypass ACPI (Advanced Configuration and PowerInterface) detection.
H. Complete the installation.