Windows 10: cant activate windows Error code : 0xC004C003

Discus and support cant activate windows Error code : 0xC004C003 in Windows 10 Updates and Activation to solve the problem; i have the product key but i cant use its? why?... Discussion in 'Windows 10 Updates and Activation' started by JunWen0215, Jun 29, 2020.

  1. cant activate windows Error code : 0xC004C003


    i have the product key but i cant use its? why?

    :)
     
    JunWen0215, Jun 29, 2020
    #1
  2. beardsbn Win User

    Error code: 0xC004C003


    hi im getting activation error Error code: 0xC004C003 on my laptop i bought the laptop brand new from argos last year then did windows update and upgraded to windows 8.1 from 8 i have done the upgrade to windows 10 option but im unable to activate Error code: 0xC004C003 windows when i click go to store it wants me to pay £99 can anyone help
     
    beardsbn, Jun 29, 2020
    #2
  3. Nikhar_K Win User
    Error: 0XC004C003 while activating Windows 10

    Hi,



    Thank you for writing to Microsoft Community Forums.



    As per the error code 0xC004C003, it seems that you have entered an invalid product key. Please reply with the following details to assist with the appropriate troubleshooting steps:



    • Have you recently changed any hardware in the computer?
    • Which version of Windows is installed on the computer currently?
    • Have you upgraded the computer to Windows 10 earlier?



    I suggest you to refer the troubleshooting steps mentioned in the article

    Activate Windows 10
    to activate Windows 10. You can also use the

    Activation Troubleshooter
    to activate Windows.



    For more information, I would also suggest you to refer the article to
    Get help with Windows activation errors
    , which contains the information on the error code 0xC004C003 that you are receiving.



    If the issue persists, you can get in touch with our Live Technical support team by calling them. Please refer the article

    Global Customer Service phone numbers
    to get the Customer support number as per your country.



    Regards,

    Nikhar Khare

    Microsoft Community - Moderator
     
    Nikhar_K, Jun 29, 2020
    #3
  4. AllanP Win User

    cant activate windows Error code : 0xC004C003

    Activation fails Error code: 0xC004C003


    I had upgraded from W8.1 and Windows 10 was activated. I was under the impression that I didn't need a product key and that my PC would be recognized after doing a clean install. Now I have W10 installed fresh, but get the error code: Error code: 0xC004C003
     
    AllanP, Jun 29, 2020
    #4
Thema:

cant activate windows Error code : 0xC004C003

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