If you are getting the following error message when attempting to update:
Error Message: The Product Key Used to Install Windows Is Invalid
http://support.microsoft.com/default.aspx?scid=kb;en-us;326904&Product=winxp
You'll have to purchase a new "Full Version" of Windows XP Professional
and perform a "Repair Install" using the new Windows XP Pro CD and Product Key
that comes with it. (You cannot simply change the Product Key)
How to Perform a Windows XP Repair Install
http://www.michaelstevenstech.com/XPrepairinstall.htm
--
Carey Frisch
Microsoft MVP
Windows - Shell/User
Microsoft Community Newsgroups
news://msnews.microsoft.com/
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:
| I bought a used WinXP PC from someone. When I try
| to run a Windows Update, it says that the OS is invalid.
| How can I change the serial number for WinXP to a valid
| one (I have a valid license) withouth re-installing or doing
| any type of recovery? Thanks!
|
| --
| - Zilla
| Cary, NC USA