Fix: Error 0xc000021a Blue Screen of Death on Windows 10 and 8

This article will tell you how to fix error 0xc000021a Blue Screen of Death on Windows 10 and 8.

Many Windows users have reported that they faced the error 0xc000021A while Windows is updated. After updating, you can’t boot to Windows and face this blue screen of death along with error code 0xc000021a.

Error code 0xc000021a: Blue Screen of Death on Windows 10 and 8

According to many Windows users, the 0xc000021a error can occur if Winlogon.exe or Csrss.exe stops working.

  • csrss.exe: The first file causing this issue is Csrss.exe. This .exe file belongs to Microsoft client or server. So in case if this file is damaged, then this error causes your computer to boot to the Windows Login.
  • winlogon.exe: this file allows you do the login and logout operations inside Windows. This file can be damaged due to mismatch of third-party applications or System Files.

The appens if:

  • There was a failed upgrade.
  • Incomplete installation of an application software.
  • There were corrupt system files in your system.

The error 0xc000021a can be serious, therefore in this tutorial, I am going to show you how to fix this error on Windows 10 and Windows 8.

How To Fix Error 0xc000021a in Windows 10 and Windows 8

Method 1: Download the latest Windows 10 updates

According to users, Windows 10 has a few problems with certain software and hardware. Frequently, the error 0xc000021a appeared after the installation of a third-party application or a new or updated system service, device driver. In this case, you should disable or remove the new software to detect the cause.
In order to resolve this and many other Blue Screen of Death errors, it’s suggested to download the latest Windows 10 patches using Windows Update.
Microsoft is frequently releasing new patches, these patches give improved security along with various bug fixes related to both software and hardware. So if you want to your operating system to be security and free from errors, I highly recommended you download the latest Windows updates frequently.

Method 2: Update your drivers

In order for your hardware to work stable with your operating system, you need to have the proper drivers installed. If your drivers contain certain bugs, or if they are outdated, they won’t be work, and you might face 0xC000021A: STATUS_SYSTEM_PROCESS_TERMINATED error or many other BSOD errors. To fix this 0xC000021A, it’s suggested that you look for and update the problematic driver. If you can’t locate the problematic driver, I recommended that you update drivers for all major components, such as your chipset, network adapter, graphics card drivers, etc.

If you want to easily update all your drivers with just a single click, you can use some Driver Update tool that downloads all the necessary drivers.

Method 3: Repair your BCD in Command Prompt

In order to resolve this problem, you have to repair your BCD in Command Prompt by Booting from your Installer and choosing Repair My Computer. If you are still not able to boot, the usual fix for this is to repair your BCD in Command Prompt by Booting from your Installer and selecting Repair My Computer.

You learn more the following link to download Windows 10 ISO file then make a bootable USB drive. When you have the bootable USB drive, follow these simple steps below:

Step 1. First of all, you insert the Windows 10 USB device and restart your system.
Step 2. Then boot from the USB device.
Step 3. Select your language and click next.
Step 4. Now you select Repair Your Computer and then click Command Prompt.
Step 5. At the prompt, you type the following commands below:

bootrec /fixMBR
bootrec /fixBoot
bootrec /rebuildBCD

Step 6. Lastly, restart your computer then check if the error 0xc000021a has resolved.

Method 4: Booting Windows Manually

To fix the error 0xc000021a, you must boot Windows using force drivers to have signature disabled option available inside Advanced Boot Options. To do that, you can follow these simple steps below:

Step 1. Restart your computer from Windows by holding Shift key + Restart. In case If you can’t access the Restart option, then you have to boot Windows via a Windows 10 USB device.
Step 2. Then you go to an options screen. You click Troubleshoot to use the advanced tools.
Step 3. On the next screen, select the Advanced option.
Step 4. Next, you select Startup Settings as shown in the picture below.
Step 5. From the startup screen, you select “Disable driver signature enforcement” by pressing F7 on your keyboard.
Step 6. Lastly, you click Restart button.

Your computer would restart with the method you’ve selected. And now you can tweak your computer by using the different selections offered until you look for the one that works for you.

Method 5: Using SFC Scan

If the above mentioned methods don’t fix your problem, you can run the SFC scan on your system by booting to Safe Mode With Networking from the Windows installation media.

Step 1. Repeat steps 1 to 4 in Method 3
Step 2. In Command Prompt, you type the following command sfc /scannow then tap (or hit) Enter.
Step 3. Restart your computer and see if the error 0xc000021a has resolved.

Method 6: Using System Restore

System Restore is a Windows feature that used to recover system files and settings from the past. In case if are getting error 0xc000021a, you can use this method to fix the problem. Click here you learn more how to use a system restore point on Windows 10.

That’s it. Hope this article can help you solve the Error 0xc000021a in Windows 10 and 8.