Windows 10: windows can't activated and showing error 0xC004C008.

Discus and support windows can't activated and showing error 0xC004C008. in Windows 10 Updates and Activation to solve the problem; Hi, This PC is working on digital license and I am getting error as key was already used on another device. If you think it wasn't used on another... Discussion in 'Windows 10 Updates and Activation' started by rajkumar_vemuru, Jan 19, 2021.

  1. windows can't activated and showing error 0xC004C008.


    Hi,


    This PC is working on digital license and I am getting error as key was already used on another device. If you think it wasn't used on another device, select Troubleshoot below. Error code: 0xC004C008

    :)
     
    rajkumar_vemuru, Jan 19, 2021
    #1
  2. Jan Del Win User

    Windows 10 activation failed with error Code 0xC004C008

    Hi,

    The error code 0xC004c008 is associated with the issue of the product key already been used on another computer. For us to get a better understanding of the issue and provide a resolution suitable to your concern, kindly provide the following information:

    • When and where did you purchase the installation disk.
    • Is this the first time you're going to activate Windows using the disk?

    Meanwhile, you can check this article about common Windows activation errors and how to solve them.

    Looking forward to your reply.
     
    Jan Del, Jan 19, 2021
    #2
  3. Can't Activate Windows 10 0xC004C008

    Hi Francisco,

    The error0xC004C008 usually occurs when the system detects that a hardware has been replaced or you've already used the product key on another device. To help you resolve the error message you're currently experiencing,
    I'd recommend that you follow the steps on this link
    on how to reactivate Windows 10 after a hardware change. It contains steps on how you'll be able to activate Windows 10 on your new machine.

    If the issue persists after following the steps in the article, I'd suggest that you contact
    Microsoft customer support to help you further diagnose the issue.

    Let me know should you have any other concerns.
     
    Kristoffer Abs, Jan 19, 2021
    #3
  4. windows can't activated and showing error 0xC004C008.

    Error: 0xC004C008 when trying to activate Windows after hardware change

    Hi,



    Thank you for writing to Microsoft Community Forums.



    I understand that you are facing issues with activating Windows 10 on your PC after a hardware change, and I certainly appreciate your efforts in trying to resolve the issue by following certain troubleshooting steps.



    The error 0xC004C008 means that the product key has already been used on a different PC. For more information refer the article

    Get help with Windows activation errors




    Since you have already tried using the Activation troubleshooter I would suggest you to try activating the copy of Windows using Phone Activation.



    1. Press Windows key + R. This will open
      Run. Alternatively, you can go to Start and search for Run.
    2. In Run dialog box, type SLUI 04 and hit
      Enter.
    3. Follow the on-screen instructions.


    However, it would be great if you can get in touch with our Technical Support team using the

    Chat
    or
    Call
    channel for further assistance with the issue as they have the right tools and access to assist you better with the query.



    Regards,

    Prakhar Khare

    Microsoft Community – Moderator
     
    Prakhar_Khare, Jan 19, 2021
    #4
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windows can't activated and showing error 0xC004C008.

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