How to Fix 0xc000021a Error Code on Windows? [6 Methods]

Whether you have encountered this blue screen error for the first time or have been encountering it repeatedly, this video will help you fix your system in every situation. We totally shared 6 methods to help you out of 0xc000021a error code problems, including fixing it with some tools or adjusting some computer settings. And, in the end, we’ll also showcase how you can use Recoverit to retrieve lost files due to the unexpected crash.

Timestamps:
0:00 Intro
1:00 Method 1: Unplug all peripheral devices
1:23 Method 2: Booting Windows without the Driver Signature Enforcement Feature
2:18 Method 3: Run an SFC Scan
3:02 Method 4: Run a DISM Scan
3:45 Method 5: Rebuild the Boot Configuration Data
4:58 Method 6: Reset BIOS
5:30 Bonus: How to Recover Unsaved Files due to BSOD stop code 0xc000021a

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#Wondershare #RecoveritDataRecovery #ErrorCode

[yosephtaha]

saved me an extremely sleepless night... shame Microsoft cant provide instructions as clear as this. Thanks a lot!

[sigalisr]

My computer showed this error and after I removed the update my computer wouldn't open just restart and show this error again over and over again, I can't even see the options anymore

[hcarnicom]

Disabling the security deal worked for me. I was able to get back into my pc and purge the update. I love this man

[helmaschine]

Unfortunately didn't work for me, I tried all of them except using windows restore meadia, so I'll bring it to a repair shop for that. At least i now can tell them i tried everything and hopefully they can help me ❤️Thank you anyway for these concise explanations :)

[oasisdiaz]

None of these steps fixed my issue but I was able to figure out how to fix it.

So the fix for me was going to System Restore and selecting an option that was a few weeks old. So this brought my software back to a few weeks ago when it was working and after about 4 hours of waiting for the system to do its thing, it worked. I did do all the steps in this video so it may have contributed to the fix.

[rosettaytchannel]

This guy is a great man and deserves all the money in the world 🌎 👏

[helias_o.]

Thank you very much, just dud the f7 and worked perfectly. I was trying for an hour following steps from windows support site but u fixed me up in a sec!

[jjkjamsjams]

when i open my computer the blue scrren shows right after the loading screen and i can't boot the computer from the usb
what do i do

[Elmental]

THANK YOU. Looks like allot of people experienced this very recently.

[mmajkyy]

Method 2 Worked for me! Thanks a lot!

What I did before the problem? I just start up the Windows update, it was still loading and then I press restart PC.

[ovistech]

Windows Server 2016/2019 displaying this stop code will not be able to boot not even in Safe Mode. So you have to boot from installation media to command prompt and change dism command to 'dism /image:C:\ /cleanup-image /restorehealth'. However there's no guarantee this will fix the actual issue you have.

[twins]

Thank you very much! I've been able to fix my pc which I've abandoned for almost a year with one of your suggests: window key + shift key

[carterdickinson]

UP TO DATE FIX AS OF 12/26/2022!
NO ADMIN ACCESS REQUIRED

Had this issue, none of the videos solved it. (Partially because I could bot login as the admin to do half of them)

You have to get into the UEFI settings and change your boot settings to "Ultrafast" and switch "boot 1" and "boot 2" around - Save and exit and voila, all good!

[agnieszkaczerska]

I tried seven different tutorials, you helped me in the simplest way - F7 🙈

[oobin]

Solution 2 worked for me ! Thank you, other people said to go into the command prompt and type some stuff but this was it.

[vladimirkievtorres]

my case is not in any of your examples. Hope you can help me

I have this old laptop that has Win7 32bit that is not activated. I can't upgrade it to Win10 directly from Win7 since it is not activated. I checked in SecurAble first what is the maximum bit length of my old laptop and it showed 64 bit. so I formatted it instead and had clean installed Win10 64bit.

It was good at first, I updated everything after installation then after few days of not using it, it shows 0xc000021a. I looked answers from the internet and there is not the same situation in my case. Everything is not working. I tried to reinstall Win10 but this time I can't successfully install, it just go directly to 0xc000021a.

Thinking that reinstalling would be my last option, I did it again but now, it do not show 0xc000021a but it now do not proceed to installation section where I will choose a language. My laptop's fan will just spin so fast then shuts down.

I am thinking to replace the old HDD now to SATA SSD and I am not sure if it will push through. Not sure worth to buy new storage if the error will still show.

[thatoneguyseven]

Method 3 worked for me. I appreciate this.

[gamerbeasts]

BRO THANK YOU you just saved me so much time and money because I honestly thought I might have to buy a new ssd

[SVista]

Tried method 5 with a friend and we got 2 things that aren't going smooth. 1st instead of C:\WINDOWS\system32 on his pc it comes to X:\Sources. 2nd at fixboot command it says Access is denied. thanks in advance for any help.

[Medumex]

Thank you so much. I finally got mine to work after 3 hours. Surprisingly the 3rd step did it for me, although I'm sure I'd tried it multiple times. God bless