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What is c000021a error?

What is c000021a error?

Posted on November 5, 2022

Description. The STOP: c000021a (Fatal System Error) error occurs when the Windows NT kernel detects that either the Winlogon.exe or Csrss.exe processes have failed. When this failure happens, the Windows NT kernel stops the system and generates the stop error message.

The stop code 0xc000021a represents the WINLOGON_FATAL_ERROR, which occurs when a user-mode subsystem, such as WinLogon or Client Server Run-Time Subsystem (CSRSS), is compromised. It additionally means that security can’t be guaranteed for your system due to this error.

The error “Your PC ran into a problem and needs to restart Windows 10” is sure to appear when updating Windows. Then your whole computer will not boot normally and will surely show you a blue screen along with the error password 0xc000021a. Winlogon.exe and csrss.Files exe are often mainly responsible for this error.

Also, if any of our HDDs or SSDs have bad sectors, this utility will fix Fatal System Error c000021a. Is Chkdsk present in both Windows 7 and Windows 8.1. As you may know, the CHKDSK utility can be removed from the command line.

Have you run an SFC scan on Windows 10 by booting from the Windows 10 installation media in “Safe Mode with Networking”? Error 0xC000021A can occur when Winlogon.exe or Csrss.exe is actually stopped. This happens when: The system files on the computer are corrupted. Update error. Incomplete software configuration.

Table of Contents

  • Why does windows stop c000021a fatal system error?
  • Why do I get system error c000021a in Windows 10?
  • Why is c000021a fatal system error on Windows 7?
  • Why do I get a c000021a error on Windows 7?
  • What does fatal system error c000021a mean?
  • What is c000021a error?

Why does windows stop c000021a fatal system error?

The exact Windows error message C000021a Stop Fatal System Error might be slightly different. But families need to understand what happened when the series Blue Screen Fatal Error appeared on your PC: the Windows Kernel fully detected that the Winlogon.exe or Csrss.exe service was running faulty processes (stopped responding or not charging).

Why do I get system error c000021a in Windows 10?

Some problems may arise when downloading programs to the hard drive. You can take advantage of a powerful configuration restore. and see if it helps where. If you are getting error 0xc000021a and System Restore stopped working after updating Windows 10, then this is a known issue for Windows 10.

Why is c000021a fatal system error on Windows 7?

This time, if the fatal system error C000021A was due to corrupted boot configuration data, this troubleshooting approach should fix it. So, here are all the troubleshooting methods that you need to implement in order to fix the C000021A Fatal System On Windows 7 and 8.1 error.


Why do I get a c000021a error on Windows 7?

Some versions of Windows 7 and Windows 8.1 encounter stop error C000021A which prevents the boot process. In most cases, affected users report that the issue occurred while checking for an updated BIOS version. Fatal system error C000021A

What does fatal system error c000021a mean?

Let’s take a look at the platform fatal error blue screen c000021a, which is considered to be one of the most popular airport terminal system errors that you can encounter. The system Windows logon process ended unexpectedly with history 0x00000403 (0x00000000 0x00000000). The system was recently disabled.

What is c000021a error?

STOP program error: c000021a (fatal error) occurs when the Windows NT kernel detects that the Winlogon.exe or Csrss.exe processes have failed. When this method fails, the Windows NT kernel shuts down the system and issues a Stop error message. You actually have incompatible system.files installed on a particular system.

Ermias

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.

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