This error occurs when a user-mode subsystem, such as WinLogon or the Client Server Run-Time Subsystem (CSRSS), has been fatally compromised and security can no longer be guaranteed. In response, the operating system switches to kernel mode. Microsoft Windows cannot run without WinLogon or CSRSS.
If the 0xC000021A error is caused by a software or driver that starts when you start your Windows Vista or 7 system, you can try and disable the Services listed in the System Configuration (msconfig) utility: If you can’t boot into your system because of the boot error, go to Fix 0xC000021A with Easy Recovery Essentials.
How to fix error 0xc000021a on Windows 10?
Part 2: 11 Solutions to Fix Stop Code Error 0Xc000021A Method 1: Unplug external devices.
Method 2: Repair a corrupted file system.
Method 3: Start Windows without verifying driver signatures.
Method 4: Remove newly installed software/hardware
Method 5: Run the dism command.
Method 6: Replace any corrupted registry files with backups
Method 7: BIOS reset.
Method 11: System Restore.
How to fix error c0000022?
Run and download the Process Monitor tool frequently
Run the application that caused the 0xc0000022 error.
Wait until an error appears
Select Event Capture
Select Filter (or press CTRL+L) to open the process monitoring filter.
Filter out all rows that do not belong to the application that caused this error.
More physical objects
How do you fix fatal error c0000022?
How to fix error C0000022? Restore the user system with the advanced tool.
Hard tune your computer.
Run a system test sufficient to diagnose the system.
Use the System Restore feature.
Uninstall the latest update before error c0000022.
Remove the latest updates using the dism command.
What to do about fatal error c0000022?
Here’s what you need to do: Make sure your laptop or PC is properly connected to an electromechanical source.
Turn on the laptop, press ESC several times until you get to the system diagnostics menu.
In the System Diagnostics menu, press the F11 key to open the System Restore menu.
Select your language and press Enter to continue when prompted.
Why does windows stop c000021a fatal system error?
The exact error message associated with Windows STOP fatal system error c000021a will be slightly different. But you should know what happens when you get this fatal blue screen error on your PC: The Windows kernel has detected that Winlogon.exe or possibly the Csrss.exe service process is faulty (didn’t stop responding or stopped). in.
Why is c000021a fatal system error on Windows 7?
If Fatal System Error C000021A occurred due to boot configuration data corruption, the following troubleshooting method should fix the issue permanently. So, here are all the troubleshooting methods you need to implement in order to fix fatal system error C000021A in Windows 7 and therefore 8.1.
What does fatal system error c000021a mean?
Let’s take a look at the Blue Fatal System Error c000021a, LCD Monitor, which is one of the most common fatal system errors that you can encounter. The Windows logon process ended unexpectedly at position 0x00000403 (0x00000000 0x00000000). The program has been closed.
How do I fix C000021A fatal system error?
0:301:06How to fix Blue Screen of Death error c000021a – YouTubeRecommended Clip YouTubeYouTube StartEnd Highly Recommended ClipWhile restarting the system, press and hold the F8 key to view advanced startup options. The screen no longer appears when you reboot the system, hold down the F8 key to access advanced boot options. The screen is actually displayed. From there, choose the route labeled “Last Best Configuration”.
How do I fix c000021a fatal system error?
0:301:06How to revert to fixing blue screen of death error c000021a – YouTubeYouTubeStart with a suggested clip End of a suggested clip from meWhile restarting the system, hold down any F8 key to view advanced download options. ScreenMore When the program restarts, hold down the F8 key to launch advanced options. The screen will appear after selecting the Best Known Last Known Good Configuration option here.
When does fatal system error c000021a occur?
The system Windows logon process terminated unexpectedly and offered status 0x0. The entire main body is closed. Fatal configuration error c000021a occurs when the actual Windows kernel (which is a critical system component) detects that the Winlogon.exe or Csrss.exe services are crashing or stopping.
What is C000021A fatal system error?
The STOP:c000021a (Fatal System Error) error occurs when a person’s Windows Kernel detects that the Winlogon.exe or Csrss.exe processes have basically failed. When this error occurs, the Windows NT kernel actually stops the function and creates a stop error target. You have incompatible system files defined on the system.
Vijay is a tech writer with years of experience in the Windows world. He’s seen it all – from simple problems to catastrophic system failures. He loves nothing more than helping people fix their PCs, and he’s always happy to share his wisdom with anyone who needs it.
When Vijay isn’t fixing Windows problems, he likes to spend time with his wife and two young children. He also enjoys reading, playing cricket, and watching Bollywood movies.