Tech Support > Microsoft Windows > Basics > invalid key
invalid key
Posted by fapot on November 5th, 2005


hi there. whats the difference between a PID number to a product key.i bought
this computer with a preinstalled xp pro version with PID number but
everytime i try to installs sp1 or sp2 , i got the message of an invalid
key . am i a victim of piracy or plain stupidity in buying this computer???
please help!!

Posted by Rick \Nutcase\ Rogers on November 5th, 2005


Hi,

Does the error message look like the one described here?

Error Message: The Product Key Used to Install Windows Is Invalid
http://support.microsoft.com/?kbid=326904

If it does, it means you were sold an illegal copy of the commonly
distributed volume license version. You will need to purchase a legal copy
before you do anything.

--
Best of Luck,

Rick Rogers, aka "Nutcase" - Microsoft MVP
http://mvp.support.microsoft.com/
Associate Expert - WindowsXP Expert Zone
www.microsoft.com/windowsxp/expertzone
Windows help - www.rickrogers.org

"fapot" <fapot@discussions.microsoft.com> wrote in message
news:B1D157C5-54E1-4125-AAB1-5C3D189DEC15@microsoft.com...
> hi there. whats the difference between a PID number to a product key.i
> bought
> this computer with a preinstalled xp pro version with PID number but
> everytime i try to installs sp1 or sp2 , i got the message of an invalid
> key . am i a victim of piracy or plain stupidity in buying this
> computer???
> please help!!



Posted by Bruce Chambers on November 5th, 2005


fapot wrote:
> hi there. whats the difference between a PID number to a product key.i bought
> this computer with a preinstalled xp pro version with PID number but
> everytime i try to installs sp1 or sp2 , i got the message of an invalid
> key . am i a victim of piracy or plain stupidity in buying this computer???
> please help!!



The Product *ID* is created during the installation process and is
prominently displayed on the General Properties tab of the My Computer
icon. It is used to obtain/qualify for technical support (limited
though that may be) from Microsoft.

The Product *Key* is used to "prove" ownership of a legitimate
license and is required to perform the installation, and is either
stored on the CD packaging on a bright orange sticker that says "Do not
lose this number," or is on a label affixed to an OEM computer.

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...;en-us;Q326904

You need to purchase and use a _legitimate_ full retail copy of
WinXP Pro to perform a repair (a.k.a. in-place upgrade) installation,
using the new CD and Product Key.

How to Perform an In-Place Upgrade of Windows XP
http://support.microsoft.com/directo...;EN-US;Q315341


--

Bruce Chambers

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