Windows 10: Win 10 Activation failed (Error code: 0xC004C003)

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  1.    06 Aug 2015 #31

    BillGates said: View Post
    i've also been siting here unactivated since 3 days ago.. there's no Activate button and the error says "Key Blocked"? i thought we could do clean installs after successfully upgrading?

    i called Microsoft and they're claiming "You can never do clean installs, only upgrades"?

    i also asked about Hardware ID being saved after successful activation and they said nope?

    anyone done a successful clean install lately?
    i did it successfully 6 days ago..

    but now the Activate button is gone.
    Did you upgrade to Win10 and get that to activate first before you did a clean install. You have to do that first.
      My ComputerSystem Spec

  2.    06 Aug 2015 #32

    BunnyJ said: View Post
    Did you upgrade to Win10 and get that to activate first before you did a clean install. You have to do that first.
    yes

    i made sure of that.? there's no "Activate" button.. which is weird. i remember seeing it the first time i did a clean install.
      My ComputerSystem Spec

  3.    06 Aug 2015 #33

    Check in the settings:
    Click image for larger version. 

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      My ComputerSystem Spec

  4.    06 Aug 2015 #34

    thanks.. the "Activate" button doesn't appear.
    it just says "Key Blocked".
      My ComputerSystem Spec

  5.    07 Aug 2015 #35

    jkteddy77 said: View Post
    I already went through that struggle too man...
    Turns out, only way to fresh install and get activated is following 2 simple rules we all messed up:
    1) Upgrade from 7/8.1 to 10 and reach the desktop, making 100% sure windows is activated before fresh installing
    2) Skip everytime Windows 10 asks for a product key during installation. The key everyone finds with keyfinders is actually just a generic key, everyone's copy gives the same values, and it's worth jack to Microsoft. Entering that during installation guarantees you'll never get activated.

    So, if you've already upgraded to 10 from a past OS, and your fresh install still isn't activated, you might not have to go all the way back to 7/8.1. Just try fresh installing again without entering any product keys. As soon as you hit the desktop, windows will automatically activate now, and a product key is entirely unnecessary. Product keys are only needed for retail versions of Windows 10, and the OS won't check to see if your PC is liable for a free upgrade activation.

    So yes, bite the bullet people.
    Also forewarning, my future installs were glitchy, and cortana wouldn't search and find any of my desktop apps on a local account. I had to log into a Microsoft account for her to even do her job at simply searching for my installed programs
    No amount of indexing or registry editing solved a thing. Microsoft is really playing hardball when it comes to Microsoft accounts this time...
    As soon as you log into a Microsoft account, you can also never downgrade to local again with that account or ever delete that Microsoft Admin account, or Cortana breaks her searching again... forever for that user.
    It's as if Cortana ties your index with your Microsoft account, and switching back and forth permanently glitches a user account. Took me 3-5 Windows Installations to get her to just search correctly, and I'm so sick of it. Treat Windows 10 like a burning fuse for now, don't get too carried away with account sign-ins, because it surely isn't ready to take well to it.

    This is just personal experience, and not all people have this... but decide for sure if you want to use a Microsoft account.
    I for one had no choice, as all local accounts on all installations except my very first clean boot have bugged like this (so weird, I wiped my drive between every install, and local accounts after my first fresh install never found any installed apps but Windows Apps and apps from Windows Update.)

    You can log into a microsoft account without a password as well, just have to go old school and
    use "control userpasswords2" in an Administrator-allowed Command Prompt window.
    My Microsoft Account feels like a local account with Cortana's benefits thanks to this, besides Microsoft mining every bit of metadata they legally can from me...

    Takes you straight to a checkbox, just make sure you enter your Microsoft Account password when confirming the checkbox, and not your local password, or Windows 10 gets confused at log in, and makes you sign in anyways.

    Ok i have decided to bite the bullet and start from scratch again and reinstall Win7,what would be the best way of doing it.Insert the disc into pc while it is already on and run from the autorun,boot up with the disc in pc and run from boot up,or insert disc in pc then access disc rom drive file and click on the setup.exe?Thank you for any advice
      My ComputerSystem Spec

  6.    07 Aug 2015 #36

    BillGates said: View Post
    i've also been siting here unactivated since 3 days ago.. there's no Activate button and the error says "Key Blocked"? i thought we could do clean installs after successfully upgrading?

    i called Microsoft and they're claiming "You can never do clean installs, only upgrades"?

    i also asked about Hardware ID being saved after successful activation and they said nope?

    anyone done a successful clean install lately?
    i did it successfully 6 days ago..

    but now the Activate button is gone.

    Turns out, only way to fresh install and get activated is following 2 simple rules we all probably messed up:
    1) Upgrade from 7/8.1 to 10 and reach the desktop, making 100% sure windows is activated before fresh installing
    2) Skip everytime Windows 10 asks for a product key during installation. The key everyone finds with keyfinders is actually just a generic key, everyone's copy gives the same values, and it's worth jack to Microsoft. Entering that during installation guarantees you'll never get activated.

    You never actually have to click an activate button. If you clean install and click the skip button everytime it asks for a product key during your installation, Windows should recognize your PC if you have upgraded at least once, and will autoactivate.

    If you skip the product key entry during the clean install and are still not activated when you finally reach the desktop, you may have actually go back to 7/8.1 and upgrade again, as your upgrade may have never been verified and properly activated. Though you successfully clean installed once before you said, so I don't have a clue why you still aren't activated automatically.

    If you're given an error code and information, copy/paste or type it our for us word for word, others might have the same thing.
    "Key Blocked" usually shows up if you tried to enter a product key during the installation (as I once did), as non-retail Windows 10 users like us don't use a product key from the disc packaging. If you try to manually type a product key in, Windows 10 will never try and auto-activate. It will always ask for a retail product key unless you reinstall and never give it a code in the installation steps.
    Windows 10 for free users authenticates on its own by recognizing your hardware. Unless you swapped out your motherboard between your last successful clean install and now, you should have no issues. Windows ties itself to your mobo and possibly CPU, as that's what it considers a valid computer. Using a different mobo/cpu after your first successful upgrade from 7/8.1 to 10 will require you to either buy windows 10 or upgrade a different 7/8.1 copy that never has been upgraded before on the new hardware so it registers your copy to your current configuration.

    Don't waste time with Microsoft support, half of those on support have no clue. I've called twice. One told me wait 24/48 hours (actiavation servers weren't my issue). Another told me I'd have to upgrade again. They were partly right, but not once did they give me the heads up that I wasn't supposed to enter any product keys.
    That's what these forums are for.

      My ComputerSystem Spec

  7.    08 Aug 2015 #37

    BillGates said: View Post
    i've also been siting here unactivated since 3 days ago.. there's no Activate button and the error says "Key Blocked"? i thought we could do clean installs after successfully upgrading?

    i called Microsoft and they're claiming "You can never do clean installs, only upgrades"?

    i also asked about Hardware ID being saved after successful activation and they said nope?

    anyone done a successful clean install lately?
    i did it successfully 6 days ago..

    but now the Activate button is gone.
    I did a clean install using the media tool all went well no problem until I got to the activation part, over a week and still can't activatate
      My ComputerSystem Spec

  8.    08 Aug 2015 #38

    Anton57 said: View Post
    I did a clean install using the media tool all went well no problem until I got to the activation part, over a week and still can't activatate
    i wrote a tutorial after posting this..
    i must've upgraded/clean installed 20 times already.
    i've been at this since last week..
    finally figured it out yesterday

    Read my Tutorial here.
    - hope it helps you.. i know it sucks.
      My ComputerSystem Spec

  9.    08 Aug 2015 #39

    BillGates said: View Post
    i wrote a tutorial after posting this..
    i must've upgraded/clean installed 20 times already.
    i've been at this since last week..
    finally figured it out yesterday

    Read my Tutorial here.
    - hope it helps you.. i know it sucks.
    Thanks.. I'll give it a read.
    Jeff
      My ComputerSystem Spec


  10. Posts : 2
    Windows 10 Home 64-bit
       08 Aug 2015 #40

    Hi, everyone. This is my first post but I had awful issues with updating from Windows 7 Home to 10. I ended up using chat option with Microsoft techs. 7 hours with the first tech who couldn't get it to install, installation kept crashing with error messages so the tech handed it to a level tier 2 tech, who was able to get it to install after another 6 hours of control of my system. However, it would not activate. The tech was supposed to contact me back, he did do this, twice but left me hanging for hours each time. It was to activate 10. I contacted them again and was told it would fix itself in 24 to 48 hours. If not, to contact them back. I did contact them back and the person in the chat..disconnected after asking me to explain everything from the start. I was really not happy with that. The next tech had me go through it all ...again. Only to tell me that a tech would call me in 1 to 2 hours which never happened. I waited for that call all day. So I posted to the Microsoft forum, all of these issues and a tech responded with some hopefully useful information that I wanted to pass on...to everyone I can find on forums with this activation issue. I hope it helps you. I have not checked it out yet, myself because for me, the activation center opens at 5 a.m. but I know some of you are in other countries and the time is different. I hope this helps you all.

    The Microsoft tech on the forum said that there is a phone option. Actually, what he means is you can call a Microsoft Activation Center. For the USA it opens at 5:00 A.M. and is based in New York. I just wanted to share the post with you that I had made and the tech's reply as well as the link for you guys for the activation centers. :-) Hopefully it will help you. Good luck to all. :-) Az.
    My post url:
    Getting error code 0xc004c003 also after installing Windows 10 - Microsoft Community

    Licensing Center List url:
    Microsoft Volume Licensing - Activation Centers
      My ComputerSystem Spec


 
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