When you try to activate Windows 7 on my system, I get the message that the Enter key is not valid.

c0xc004c008 erorr

Hello! I have installeut the copy of win7 on my laptop HP6720s but when iam trying to activate the window I get the answer that the key I entered is not valid for this computer, however I have installed the same copy of win7 on my desk and it is activated automatically when I was on the line for the first time
which is wrong with the key?

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Tags: Windows

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