Windows 10: Activation problem with Win 10 Pro 0xC004C003

Discus and support Activation problem with Win 10 Pro 0xC004C003 in Windows 10 Updates and Activation to solve the problem; Hello, I built my new PC and wanted to move the digital key from my old PC to new one. But for some reason the activation doesn't work. The... Discussion in 'Windows 10 Updates and Activation' started by Joonas Ritvanen, Jan 18, 2019.

  1. Activation problem with Win 10 Pro 0xC004C003


    Hello,


    I built my new PC and wanted to move the digital key from my old PC to new one. But for some reason the activation doesn't work. The troubleshooter doesn't help either. I don't know what to do anymore, please help.

    :)
     
    Joonas Ritvanen, Jan 18, 2019
    #1

  2. Error 0xC004C003-activating win 10

    Hi,

    You may try these steps and check if it helps.

    • Push the Start button
    • Type Settings
    • Navigate to Update and Security
    • Click on Activation
    Due to high demand for Windows 10 globally, few of us may experience a temporary delay in activation. For Activation Error 0xC004C003; request you to wait for 24 hours and Windows 10 should activate automatically without any issue on your machine

    Appreciate your patience in this regard.
     
    Vidyaranjan A V, Jan 18, 2019
    #2
  3. RobCoxXA Win User
    Win 10 Pro upgrade using Win 8 Pro product key

    I just bought a new computer running Win 10 Home. When I went to upgrade to Win 10 Pro using my Win 8 Pro product key from my old computer, the upgrade wouldn't activate.

    Now I'm stuck with a bunch of error messages (mainly 0xC004C003) and am being told windows isn't activated. I can't seem to get my activated Win 10 Home back.

    I don't have a product key for the Win 10 Home because it came pre-installed. There's no product code recorded on the packaging or labelling on the device.

    So:

    How do I either

    • activate the Win Pro upgrade, or
    • Get my activated Win 10 home back?
     
    RobCoxXA, Jan 18, 2019
    #3
  4. Activation problem with Win 10 Pro 0xC004C003

    Windows 10 Activation error 0xC004C003

    Hi,

    You may try these steps and check if it helps.

    • Push the Start button
    • Type Settings
    • Navigate to Update and Security
    • Click on Activation
    Due to high demand for Windows 10 globally, few of us may experience a temporary delay in activation. For Activation Error 0xC004C003; request you to wait for 24 hours and Windows 10 should activate automatically without any issue on your machine

    Appreciate your patience in this regard.
     
    Vidyaranjan A V, Jan 18, 2019
    #4
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Activation problem with Win 10 Pro 0xC004C003

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