I am getting some problem activating the copy of Windows XP OEM that I have. I purchased it off from Ebay and by all appearances, its a general OEM version as there are no markings to indicate its from a big name OEM like Dell or HP. It will install properly but when I go to activate then it compains about "unauthorized product key". Below is the whole error message that I am getting
"This product key is unauthorized. Activation cannot be completed until a valid product key is entered. The 25-digit product key can be found on the Certificate of Authenticity (COA) label attached to your computer or Windows documentation. It should be similar to the example below. Please correct the product key below or type a valid product key, and then press Retry."
Can anyone please help
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