Windows 10: Activation error 0xC004C003 on HP Pavilion following upgrade to W10

Discus and support Activation error 0xC004C003 on HP Pavilion following upgrade to W10 in Windows 10 Updates and Activation to solve the problem; Looks like a common problem. I used the upgrade to Windows 10 from Windows 8.1 which was activated. Now I cannot get my Windows activated as the server... Discussion in 'Windows 10 Updates and Activation' started by Spotty Dog, Jul 31, 2015.

  1. Activation error 0xC004C003 on HP Pavilion following upgrade to W10


    Looks like a common problem. I used the upgrade to Windows 10 from Windows 8.1 which was activated. Now I cannot get my Windows activated as the server repeatedly blocks me. I have used the slmgr.vbs /ato command and each time it comes back the specified product key is blocked. Any ideas what to do next?

    :)
     
    Spotty Dog, Jul 31, 2015
    #1
  2. Divin.P Win User

    Activation error 0xC004C003 on HP Pavilion following upgrade to W10

    Even I'm facing the same issue and its been 7 days my system in the inactivated state. Contacted Microsoft support team a lot, but they are asking me to wait. I don't understand why I need to wait again after waiting for 7 days.
     
    Divin.P, Jul 31, 2015
    #2
  3. Activation error 0xC004C003 on HP Pavilion following upgrade to W10

    Mine is still coming up blocked for over a month now.
     
    BrianLoweUK, Jul 31, 2015
    #3
  4. Valkilm Win User

    Activation error 0xC004C003 on HP Pavilion following upgrade to W10

    Hello,

    i'm sorry for disturbing you, but i'm new here and what to creat a new post, how do i do it?

    thanks
     
    Valkilm, Jul 31, 2015
    #4
  5. Hydranix Win User
    Go to this page: https://www.tenforums.com/windows-10-forums/

    Choose a subforum, then there will be "post new thread" button in the upper-left corner of the threads list.


    How was windows 8.1 activated? What type of license key was used?
     
    Hydranix, Jul 31, 2015
    #5
  6. My Laptop had Windows 8 on it when I bought it. It's a HP and the Windows licence is written onto the BIOS by HP. When you first go online Windows is activated, then I got 8.1 via Windows updates so it was still activated.
     
    Spotty Dog, Apr 5, 2018
    #6
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Activation error 0xC004C003 on HP Pavilion following upgrade to W10

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