Kero said:
I'm having troubles with upgrades for XP Pro as it keeps telling me that I
have an unregistered version of XP. I've recently purchased an OEM version of
XP Pro and would like to update the product key, how do I do this without
reloading XP all together?
There's no way to simply change the Product Key. Product Keys are
bound to the specific type and language of CD and/or license (OEM,
Volume, retail, full, or Upgrade) with which they are purchased. For
example, a WinXP Home OEM Product Key won't work for any retail version
of WinXP Home, or for any version of WinXP Pro, and vice versa. An
upgrade's Product Key cannot be used with a full version CD, and vice
versa. An OEM Product Key will not work to install a retail product.
An Italian Product Key will not work with an English CD. Bottom line:
Product Keys and CD types cannot be mixed & matched.
If you are trying to install a WinXP Service Pack and getting the
following:
The Product Key Used to Install Windows Is Invalid
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q326904
You need to purchase and a _legitimate_ retail or OEM full license
of WinXP Pro to perform a repair (a.k.a. in-place upgrade) installation,
using the new CDs and Product Keys.
How to Perform an In-Place Upgrade of Windows XP
http://support.microsoft.com/directory/article.asp?ID=KB;EN-US;Q315341
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Bruce Chambers
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