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.
What Causes Fatal System Error c000021a The fatal system error c000021a occurs when the Windows kernel (which is an integral system component), detects that the Winlogon Winlogon In computing, Winlogon is the component of Microsoft Windows operating systems that is responsible for handling the secure attention sequence, loading the user profile on logon, and optionally locking the computer when a screensaver is running. The actual obtainment a… en.wikipedia.org.exe or Csrss Client/Server Runtime Subsystem Client Server Runtime Subsystem, or csrss.exe, is a component of the Windows NT family of operating systems that provides the user mode side of the Win32 subsystem and is included in Windows NT 3.1 and later. Because most of the Win32 subsystem operations have been moved to kernel mode drivers in Windows NT 4 and later, CSRSS is mainly responsible for Win32 console handling and GUI shutdown. I… en.wikipedia.org.exe services have crashed or stopped. When this occurs, the operating system is immediately halted, while generating the following fatal system error message.
Fatal system error c000021a occurs when the Windows kernel (which is usually an integral system component) detects that the Winlogon.exe or Csrss.exe services have crashed or stopped. If this is normally the case, the operating system will immediately abort with the following fatal technical error message.
You hear Event ID 55 or Hard Stop error 0xc000021a in Windows 2 after you install security update 2823324. Describes an issue that prevents you from starting your computer after you install customer security update 2823324.
Here is a list of screens (messages) that occur when starting Windows 7. The first session process or computer process terminated unexpectedly with rank (0xc0000001 0x00000000 0x000106c8). The device has turned off. Providing much more information could help Microsoft create a guide.
Why does windows stop c000021a fatal system error?
The exact error message, including Windows STOP fatal system error c000021a, may vary slightly. But you want to know what happens when such a fatal blue screen error appears completely on your PC: The Windows kernel has detected that the Winlogon.exe or Csrss.exe process service has completely stopped (stopped responding or cannot be loaded correctly) . ).
Why is c000021a fatal system error on Windows 7?
If fatal system error C000021A was found due to personal boot configuration information corruption, this troubleshooting method will aim to fix it permanently. So, here are all the troubleshooting methods you need to implement to restart Fatal System Error C000021A for Windows 7 and 8.1.
What does fatal system error c000021a mean?
Let’s take a look at the blue splash screen of fatal system error c000021a, which is one of the most popular fatal system errors that one can encounter. The system Windows logon process terminated unexpectedly with status 0x00000403 (0x00000000 0x00000000). The system was disabled, causing it to shut down.
How do I fix C000021A fatal system error?
0:301:06How to fix Blue Screen of Death error c000021a – YouTubeYouTubeRecommended clip startSuggested clip endWhen restarting the system, press and hold the F8 key to see advanced startup options. ScreenMore When the system reboots, press the F8 key and run it to see more boot options. The screen will definitely appear from here. Well, select the skill labeled “Last Known Settings”.
How do I fix c000021a fatal system error?
0:301:06How to fix Blue Screen of Death stop error c000021a – YouTubeYouTubeSuggested start clipSuggested end clipWhen the system reboots, press and hold the F8 key to see advanced boot options. give advanced boot options. From there, a screen of preferred options called “Last Known Pleasant Configuration” will appear.
When does fatal system error c000021a occur?
The system Windows logon process terminated immediately with status 0x0. The system was closed. Fatal system error c000021a occurs whenever the Windows kernel (which is an integral part of the system) detects that a particular Winlogon.exe or Csrss.exe service has stopped and/or may crash.
What is C000021A fatal system error?
STOP error: c000021a (fatal system error) occurs because the Windows NT kernel detects a failure of the Winlogon.exe or Csrss.exe task. When this happens, the failure of the Windows NT kernel stops that system and generates a warning error message. You have incompatible system movies on your installed system.
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.