Windows 10 Reinstalled windows 10... will not activate!

Discussion in 'Windows 10 Help and Support' started by Ralph Bromley, Jul 24, 2016.

  1. Ralph Bromley

    Ralph Bromley Honorable Member

    Jun 1, 2012
    Likes Received:
    Okay so today I was having some major issues with windows 10, apps were taking forever to load and i did a defrag and after some more issues i decided to reinstall windows.

    But for some reason i keep on getting a error 0xC004C003.

    So windows 10 as of now is unactivated, I had a valid key and I thought with UEFI this was not supposed to happen and that my key was linked to my hardware.

    And its not like I changed my hardware, its the same hardware as before!

    And I was able to do a fresh install before what the hell???

    I hope this doesnt mean my windows 10 is toast or heads will bloody roll
  2. Neemobeer

    Neemobeer Windows Forum Team
    Staff Member

    Jul 4, 2015
    Likes Received:
    Try opening a command prompt and type slui 3 and enter your key that way. If that doesn't work you may need to call, you can try the self activation hotline. Type slui 4 and follow the prompts.

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