Windows 10: Error 0xc000021a on New Installation of Windows 10

Discus and support Error 0xc000021a on New Installation of Windows 10 in Windows 10 Installation and Upgrade to solve the problem; I'm in quite a jam. I've just upgraded my motherboard, processor, ram and tower and with the upgrade I also had to upgrade from Windows 7 to 10 to... Discussion in 'Windows 10 Installation and Upgrade' started by Jiveturkey43, Jul 13, 2019.

  1. Error 0xc000021a on New Installation of Windows 10


    I'm in quite a jam. I've just upgraded my motherboard, processor, ram and tower and with the upgrade I also had to upgrade from Windows 7 to 10 to support the new hardware. I just finished installing the new hardware in my PC, then plugged it all in to boot with the Windows 10 USB stick in. The USB stick begins to boot and it makes it to a Windows Boot Manager screen that asks me if I'd like to launch Windows 32 bit or 64 bit. I choose 64 bit and it goes to a Windows 10 loading screen, sits for a few seconds and then crashes and gives me the 0xc000021a error code.


    This is where it gets tricky... I am able to press F8 to go to the Advanced Boot Options where I can access safe mode, disabling driver signature enforcement, etc... but none of the options help, they all just still crash.


    I've also accessed my motherboad's BIOS during launch and I've tried to boot from other drives.

    The following 2 boot options show up from the Windows 10 USB stick.


    UEFI: KDI-MSFTWindows 10 PMAP, Partition 1

    KDI-MSFTWindows 10 Pmap


    Both of them give me the 0xc000021a no matter how I try to boot with them.


    If I try to boot from my SSD that has Windows 7 installed, I can make it to my login screen but my mouse and keyboard absolutely will not work despite them working in my BIOS and boot menus.


    Any suggestions?


    I was next thinking of downloading a boot repair tool onto a USB stick and trying to boot from that.

    :)
     
    Jiveturkey43, Jul 13, 2019
    #1
  2. CK011885 Win User

    Installing Windows 10 on New PC?

    I'm going to be building a new PC on Christmas and want to install Windows 10 on it. I have Windows 10 on my current PC, which I installed upgrading from 8.1 with the files on a USB. How do I go about installing a clean copy of Windows 10 on this new PC? I think I recall something about installing it once makes Microsoft recognize your hardware, but since this will be a PC I'm not sure what steps I need to take. Do I need to go 8.1 -> 10 or is there a method of going directly to 10?
     
    CK011885, Jul 13, 2019
    #2
  3. windows xp installation and dual core am

    could someone please list the steps they follow to install windows with a dual core processor and windows xp service pack to. I'm reletively new to amd dual core and i feel i'm missing a step. All help will be appreciated. thanx
     
    exodusprime1337, Jul 13, 2019
    #3
  4. Xylee Del Win User

    Error 0xc000021a on New Installation of Windows 10

    error 0xc000021a

    Hi,

    Corrupted system files may have caused the error 0xc000021a on your Windows 10. To correct this issue, we suggest that you perform the steps below:

    • Hold down the Shift key on your keyboard while you select
      Restart
      (Shift+Restart) from the power options for Windows.
    • Windows Recovery Environment window will come up.
    • On Choose an option screen, select Troubleshoot.
    • In the Troubleshoot screen, select Advanced Options.
    • Select Startup Repair, it will scan and repair your computer automatically.

    Let us know if you need further assistance.
     
    Xylee Del, Jul 13, 2019
    #4
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Error 0xc000021a on New Installation of Windows 10

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