BSOD 0xc000021a Windows 10  

  1. Posts : 3

    BSOD 0xc000021a Windows 10

    Hello all!

    I have a friends PC (C2D 8400, Intel x38MB, nvidia 660gtx, 8GB ddr3, 2xhdd in raid 0) with Win10
    Everything worked fine half year until few days ago, updates installed fine and after few restarts BSOD 0xc000021a

    I tried every single option in Win RE
    Startuprepair - fail
    Every setting in startupsettings - fail
    Safe mode - fail
    Reset PC - fail
    Booted USB Win10 iso, tried reset, starturepair - fail

    SFC offbootdir offwindir found integrity violations but can't repair them because WRP can't start repair etc etc....
    DISM "sourcedrive:windows" /cleanup-image /restorehealth "source:wimfileinmyusb" - fails because RPC no running, but it is running

    I can upload logs if needed.
      My Computer

  2. Posts : 14,890
    Windows 10 Pro

    Please upload the dump(s) if possible, you'll need to zip it to upload.
    Please read How to upload files
      My Computers

  3. Posts : 3
    Thread Starter

    Are there any more I can find?
      My Computer

  4. Posts : 14,890
    Windows 10 Pro

    It looks like a boot file is corrupt, possibly is the partitioning also messed up.

    I've requesting some help to ensure this is done properly :)
      My Computers

  5. Posts : 17,661
    Windows 10 Pro

    Just an idea to get Windows booting:

    Boot the machine with Macrium Rescue media, if you don't have one install Macrium Reflect Free on another PC and create it.

    Select Fix Windows boot problems, accept all defaults with Next, when done restart.

    Windows boot records should be fixed now and Windows should be able to boot normally, assuming your partition table is not too damaged.

    This has saved my a** more times I can count!

      My Computer

  6. Posts : 3
    Thread Starter

    Morjes Kari!

    After Macrium i have this:
      My Computer

  7. Posts : 64
    Windows 10

    I had the same problem yesterday. I eventually restored my last Macrium Reflect backup as nothing I threw at the problem work. I was busy installing an update to Evernote when the PC crashed to a BSOD.
    Last edited by chrismine; 19 Aug 2016 at 16:00. Reason: Added detail
      My Computer


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