#Uninstall license key upgrade
When using a Windows® 7 upgrade product key, the installation must detect a previous version of the Windows® XP, Windows Vista® or Windows® 7 operating system.
#Uninstall license key install
This error can occur if you are trying to install an upgrade version of the Windows® 7 operating system on a computer with an empty or formatted hard drive. You are using a Windows® 7 upgrade product key to activate a clean install of the Windows® 7 operating system.To resolve the issue, obtain a unique Windows® 7 product key for each computer. If you try to activate the same Windows® 7 operating system product key (COA) on more than one computer using the same product key, these messages may be displayed now or in the future.To resolve the issue, choose the phone activation option in the activation wizard and follow the on-screen instructions. This may happen because the product key is detected as in-use on another computer. If your computer has been serviced, and you are now trying to reinstall the Windows® 7 operating system, you may be unable to activate the Windows® operating system and will instead receive an invalid product key error.If you are confident you are entering the correct product key, contact Microsoft® support for more information.Verify the product key and try typing it again. You may have mistyped the product key.Verify you are using the product key located on the Windows® 7 operating system box and NOT the one located on the VAIO® computer.The Windows® product key was entered incorrectly and the message Invalid product key may be displayed.To resolve the issue, activate the Windows® 7 operating system. You did not activate the Windows® 7 operating system within 30 days of the installation.Use the information below to remove this message: The message also may be associated with an error code. The message This copy of Windows is not genuine may be displayed on the Windows® desktop for several reasons.
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