Windows 10: Activation error

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  1.    01 Aug 2015 #1

    Activation error

    First off, hello

    and sorry if this has already been posted. I've been looking around and probably just missed a solution.

    I have a desktop that had win 7. I was not going to install 10 for awhile. However when I woke up this morning my wife said "Hey I clicked, install windows 10"...My eyes about popped out of my head

    Anyway I had already installed w10 on her laptop to see how it went. From the laptop I downloaded the 10 iso and made a disk.

    On the desktop with w10 installed, it said it was activated so I figured since its here ill see how it goes and did a fresh install with the disk I had made on the laptop (do you need a separate iso disk for each device?)

    Now that the clean install is done on the desktop, I'm getting Error code: 0xC004C003 in records to activating.

    Thanks for any help
      My ComputerSystem Spec

  2. Boozad's Avatar
    Posts : 1,628
    W7 Pro x64 | W10 IP x64 | Linux Mint VM
       01 Aug 2015 #2

    That error indicates the key is blocked from activation. Did you enter a key during the installation at all?
      My ComputerSystem Spec

  3.    01 Aug 2015 #3

      My ComputerSystem Spec

  4. Ztruker's Avatar
    Posts : 6,434
    Windows 10 Pro X64 17134.191
       01 Aug 2015 #4

    Did the Laptop and the Desktop have the same version of windows, home, pro or ultimate?

    What version did you download on the laptop?
      My ComputersSystem Spec

  5.    01 Aug 2015 #5

    Laptop had 8.1 home.....desktop had 7 home

      My ComputerSystem Spec

  6. Borg 386's Avatar
    Posts : 21,640
    Win 7 32, Win 7 64 Pro, Win 8.1 64 Pro, Win 10 64 Education Edition
       01 Aug 2015 #6

    Windows 10 - Clean Install - Windows 10 Forums

    Once you’ve upgraded to Windows 10 using the free upgrade offer or Media Creation Tool on an activated Windows 7 or 8.1 PC, you will be able to reinstall, including a clean install, on the same device. You won’t need a product key for re-activations on the same hardware. If you make a meaningful change to your hardware, you may need to contact customer support to help with activation. You’ll also be able to create your own installation media like a USB drive or DVD, and use that to upgrade your device or reinstall after you’ve upgraded.

    You do not get a product key with the free upgrade of Windows 10.

    The activation for the free offer of Windows 10 is registered on the Microsoft activation servers, and is referenced by the hardware (motherboard/CPU/graphics card serial numbers) of the PC it was upgraded on.
      My ComputerSystem Spec

  7.    01 Aug 2015 #7

    Hmmm...does that mean I need to re-install 7 and start over making a w 10 iso disk after I install 10 and its activated?
      My ComputerSystem Spec

  8.    01 Aug 2015 #8

    Hi there,

    I had the same problem. I spent a couple of hours with MS tech support this morn and they have told me that the activation platform is down. I asked when would it be up or how can I check, and they said maybe in forums otherwise, once its up it should auto activate (or activation will be pushed).

    This was after another two hours last night with them. They suggested yesterday that I do a complete refresh which I did but it then tied me to Win 10, cos once you do a complete refresh (ie delete all files), it does not permit for you to roll back.

    They suggested that I re-install win 8.1, but my 8.1 was upgraded from XP -> Vista -> 7 -> 8 -> 8.1 so I'm not going through all that again.
      My ComputerSystem Spec

  9.    02 Aug 2015 #9

    Hello, i installed windows 10 with a generic key, which you can find in this forum or on some sites. I chose windows 10 pro and now i have to activate windows, but it doesn't work! Is it possible to activate windows 10 with one of the generic keys. Before that all I had a normal key from windows 8, but i wanted to install 10 as fast as i could and i used a generic key for it. ( i don't know why i didn't use my original w 8 key. I am a really noob.) Can i find anywhere my original key, because i don't have the things where it stands on and the keyfinder shows me only the generic key. I only have the product-ID but can help me this to get my original key back?
      My ComputerSystem Spec

  10. Fafhrd's Avatar
    Posts : 1,928
    Windows 10 x86 14383 Insider Pro and Core 10240
       02 Aug 2015 #10

    A clean install may change the computer name.

    If you have not used a microsoft account, then I don't know what you can check. If you have, check the computer name in control panel>system and

    If it is different then your installation is not being recognized as a valid install, and perhaps a phonecall to MS is in order. It has the wrong details on the activation server, and possibly, therefore, the blocked key.
      My ComputersSystem Spec

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