Fix Windows Stop Code 0xc000021a With Proven Methods

You might be working on your system with something very important & suddenly an error pops up, though the error code was 0xc000021a, now how would you fix windows stop code 0xc000021a.

Don’t you worry…We have the best solutions for you to fix error 0xc000021a windows 10.

Though, you might be facing the issue of stop code while installing windows 1O.

Albeit, the stop code 0xc000021a 2020 & 21 is also known as the blue screen of death.

Moreover, it’s a quite random error & is most common in Windows 8 & 10.

So, in this blog…we’re going to discuss the error….what causes it, & what are the fixation methods behind the error code 0xc000021a Windows 8 & 10.

What Causes Stop Code 0xc000021a on Windows 8 & 10?

We’ve received so many complaints of users facing this error that after updating the Windows, it just shows this error.

Let’s have a look at some of the reasons behind this error.


The first file that causes this error is csrss.exe. This is a Microsoft client or server file.

This error can occur if this file is updated or corrupted for any reason.


As you may already know from its name, this file is required for login and login in Windows.

This is an internal process and takes place within Windows. If this file becomes corrupted, the computer may initiate a Windows logon.

Conflicting system files or, in some cases, third-party software can corrupt winlogon.exe.

External Devices

External devices connected to the system can also cause this error. Especially bad external devices can interrupt or interfere with Windows and cause this error.

Incompatible Application

If you recently installed the application, this tool may be the cause of this error. If you have a tool that is not compatible with Windows, you will get this error.

Corrupted Windows Registry

If the Windows registry is corrupted or corrupted, the system is also vulnerable to error 0xc000021a. Premature removal of wbmprox.dll-Users may remove the wbmprox.dll library too soon. Therefore, you may see this error.

Device Manager Corruption

This system error can occur if the device driver is corrupted. If the device driver settings are incorrect, this may be the cause of this error. This error can find your address.

So, these were the reasons behind the stop code 0xc000021a Windows 10 install

Now, let’s understand…how to fix windows stop code 0xc00021a 2021

Methods to Fix Windows Stop Code 0xc000021a

Depending upon the different situations….here are the solutions according to the reasons behind the occurrence of the code 0xc000021a Windows 8 & 10.

Removal of External Devices

If you are facing the issue due to an external device, then you should better remove it.

Moreover, you can start by removing the external devices you have attached to your system.

After the removal try restarting your system.

Uninstall the Installed Tools

If you have installed any new hardware or software, then you should try uninstalling them.

Sometimes, due to the newly installed tools, you might face this error…

Though, if you are unable to uninstall the Software…don’t worry…you can boot into the safe mode to uninstall the Software.

DISM Command

You can try using DISM Command in safe mode…follow the below steps…

  • Click on the start button, after that type command & then right-click on the command, then select Run as Administrator.
  • Type DISM /Online /Cleanup-Image /RestoreHealth, in the Administrator command prompt. Click on Enter.
  • Wait, until the process completes, after that, your issue will be fixed.

How to Fix Stop Code 0xc000021a dell & 0xc000021a Lenovo?

You can follow the above steps give by us to easily fix error 0xc000021a Windows 10 & 8 on Lenovo & dell.

Stellar Windows Data Recovery Software

While going with the manual methods, if you ever get stuck with your data, like you may lose your most important data, then just go for Stellar Windows Data Recovery Software

This Software is one of the best tools in the market that easily recovers the data without doing any harm to the data.

Also, it’s one of the most affordable tools that comes with all the safety & user-friendly interface.

The Conclusion

We through this blog tried to give you the best methods to fix Windows Stop Code 0xc000021a.

Nonetheless, if you have any further issues…just tell us in the comment section below.