Windows 8 Pro cannot boot - Error 0xC000021a

Anonymous
2012-11-25T18:10:13+00:00

Hi

I upgraded my son's laptop from Windows 7 to Windows 8 Pro. I has been working fine for a few weeks. But now when booting It halts iwth the error code 0xc000021a. I have tried the following options

Refresh - this fails with the error 0xc000021a

System Restore - this fails with 0xc000021a

Safe mode boot does not work

I can start the cmd console

Any suggestions as to how to proceed?

Windows for home | Previous Windows versions | Performance and system failures

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  1. Anonymous
    2015-07-06T17:19:07+00:00

    i had this problem and i fixed it. i faced this after updating my win8 and rebooting after that update.

    to fix this, i tried safe mode but it failed to boot. finally i tried to boot with "force drivers to have signature disabled" and it worked.

    How do you do that??? I have tried to do everything but I don't know how to get to that part.

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  2. Anonymous
    2015-05-28T19:54:26+00:00

    Hey Guy,

    as nocive at solving those problems you get the right step by using google ;)

    I had this Error on a normal Laptop, in the end i did a reinstall of Windows. I tried a lot before but for me there was no other solution.

    Try the normal repair functions given by WIndows, may give some Tips you find with google a chance ...   and when it's ok for you to reset your Computer, just do it. It's may be the fastes way to reinstall Windows ( It's like beeing back in the times of Windows 95-98 :P ). Don't waste to much time with this Error.

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  3. Anonymous
    2015-05-28T18:57:07+00:00

    Why on earth did they create Win 8?

    It has caused me so much grief. Bought a MS Surface Pro 3 - Win 8 has prevented it and me from being friends.

    Now this "error 0xc000021a" has stopped what little progress I was making. I ama NOVICE at solving these problems.

    I just googled the error and will try the automated suggestion: (Download (0xc000021a) repair utility.

    Keeping my fingers crossed when I try it ....

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  4. Anonymous
    2015-05-16T14:45:47+00:00

    The link is broken.

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  5. Anonymous
    2015-05-02T02:35:08+00:00

    I'm in startup repair and now my system has frozen. I have no idea how to fix computers. PLease help

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