Apparently, you acquired an "OEM Version" of Windows XP.
OEM versions cannot upgrade an existing Windows installation. Only
"Retail Versions" can upgrade. Either purchase a "Retail Version" of Windows XP
or reformat your drive to install the OEM version "clean".
Clean Install Windows XP
http://www.michaelstevenstech.com/cleanxpinstall.html
[Courtesy of MS-MVP Michael Stevens]
OEM versions of Windows XP:
-- cannot upgrade over an existing Windows installation.
-- must be installed "clean" on a freshly reformatted drive or partition.
-- cannot be transferred to a different computer in the future.
-- the license cannot be sold or transferred to another user.
-- are not eligible for free Microsoft technical support.
-- must be purchased with some type of computer hardware.
-- any problems whatsoever with the installation CD or Product Key.
is not eligible for Microsoft support....you have to deal with the "seller".
-- cost less than "retail versions" due to the above limitations/risks.
--
Carey Frisch
Microsoft MVP
Windows XP - Shell/User
Be Smart! Protect your PC!
http://www.microsoft.com/security/protect/
