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Why Does It Say My Product Key Is Invalid Or Blocked When I Try To Activate Windows?

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If you receive a message that says your product key is invalid or blocked, when you try to activate Windows, then please follow these steps to resolve the issue: 

Double check your product key to make sure you are entering it correctly. Tip: If the Windows sticker is on the bottom of your notebook, then try writing out the product key on a piece of paper or type it in notepad.

If you are still getting the invalid or blocked message, then call: 866-740-1256 and activate Windows by phone. It will only take a couple minutes to activate Windows with this alternative method.
 
If you are still having issues after following the instructions of this KB article, please contact us for further assistance, and be sure to specify that you have already tried the steps contained in this article.

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