Windows 8/10 had a number of issues at the time when it was first released. After a while, when Microsoft started pushing updates, some errors were solved but there were a plenty of them which weren’t. One of those errors is associated with the hex code 0xc000021a.
It states that Your PC ran into a problem and needs to restart. This error appears inside a blue screen of death. So, it may have some serious issues damaging the internal structure of Windows OS. This error also persists even after restarting the PC. Performing a system restore also doesn’t work. So, you would definitely want to know the reason behind this hilarious error message.
Reasons Behind the Error 0Xc000021A:
This issue arises when Windows is updated. So, after the update, it doesn’t boot to Windows and displays this blue screen of death along with error. There are two files that are the major cause of this error to appear. These files are listed below.
- exe: As the name of the file represents, this file is responsible for the login and logout operations inside Windows. This file can be damaged due to mismatch of System Files or 3rd party softwares. If this file gets damaged, then this error causes the PC to boot to the Windows Login.
- exe: The second file causing this error is Csrss.exe. This .exe file belongs to Microsoft server or client. So, this file can also be damaged resulting this error.
Solutions to Fix the Error 0Xc000021A:
There are a number of solutions to fix this error. Just follow the instruction properly.
Method # 1: Booting Windows Manually
In order to resolve this problem, you have to boot Windows manually. Booting the Windows in safe mode wouldn’t more in most cases. So, you have to boot it using force drivers to have signature disabled option available inside Advanced Boot Options. To access this option, follow the steps below.
1. Restart the PC from Windows holding the Shift key and clicking on the Restart. If you can’t access the Restart option on your Windows, then you might need to boot through a Windows bootable USB.
2. It will take you to an option screen. Select Troubleshoot to access the advance tools.
3. From the next screen, choose the Advanced option.
4. On the next screen, you will see a plenty of options. All you need to do is to click on Startup Settings as shown in the picture below.
5. On the startup screen, there would be a number of options to select from. Press F7 labeled as Disable driver signature enforcement.
Your PC would restart with the option you selected and now, you can tweak your PC using different options.
Method # 2: Fix the Issue using SFC Scan
If the above mentioned method doesn’t solve your issue, you can use System File Checker Scan in order to resolve issues related to corrupted files causing this error. Follow this link to run a full SFC scan on your PC.
Please let us know in the comments section below if this guide has helped so we can improve the quality of our guides to assist you better in the future.
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