Feb 232010

If you receive error “0xC004F061″ when trying to activate Windows 7, it means you’re using a product key for an upgrade version of Windows 7  and a previous version of Windows wasn’t on your computer when Windows 7  was installed. To install an upgrade version of Windows 7, Windows Vista  or Windows XP must be installed on your computer. If you formatted the drive before starting the installation process, you won’t be able to use the upgrade product key to activate Windows 7. To activate Windows 7, you’ll need to install your previous version of Windows, and then reinstall Windows 7. For help with the activation process.

We recommend that you install Windows 7  with your current version of Windows  running. If you want to format the hard drive, and you are using an upgrade version of Windows 7, you’ll need to start your computer using the Windows 7  upgrade DVD, click Custom (advanced), and then click Drive options (advanced).

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  2 Responses to “How to fix Windows 7 activation error 0xC004F061”

  1. This does not help much. What if its not old build and new updated version?
    I posted it Feb 26 of 2010

  2. Just use Daz boot loader (google search) and install one of its random keys. This will activate windows and require a restart. Run Daz bootloader again and uninstall the key and restart. When your computer is restarted go to control panel -> System and change the product key to your own.

    Problem solved, no need to install windows twice or not format your HDD.

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