The STOP 0xC000021A error occurs when either Winlogon.exe or Csrss.exe fails. When the Windows NT kernel detects that either of these processes has stopped, it stops the system and raises the STOP 0xC000021A error. This error may have several causes, including: Mismatched system files have been installed.
The STOP 0xC000021A error occurs when either Winlogon.exe or Csrss.exe fails. When the Windows NT kernel detects that either of these processes has stopped, it stops the system and raises the STOP 0xC000021A error. This error may have several causes, including: Mismatched system files have been installed.
The fatal system error c000021a occurs when the Windows kernel (which is an integral system component), detects that the Winlogon.exe or Csrss.exe services have crashed or stopped. When this occurs, the operating system is immediately halted, while generating the following fatal system error message.
The system Windows logon process terminated unexpectedly with status 0x0. The body was covered. The insecure system error c000021a occurs when the new Windows Kernel (which is a critical system component) detects that the Winlogon.exe or Csrss.exe service has been killed or crashed.
If error 0xC000021A is caused by software or media that starts when you start your standalone Windows Vista or 7 system, your family might try disabling the services listed in the System Configuration Utility (msconfig): if you don’t start indirectly, it could be your system error, go to Fix 0xC000021A under Easy Recovery Essentials.
The first session process or system step exited unexpectedly with a status associated with 0x00000000 (0xc0000001 0x000106c8). System functions have been stopped. Submitting more facts allows Microsoft to implement solutions.
What is the difference between a fatal error and a fatal system error?
A fatal error is usually different from a normal fatal error (commonly referred to in our MS Windows operating systems as a special “progress blue screen” in every error message generated). A fatal error usually occurs in one of the following cases: A program that tries to divide by zero.
What is fatal error and non-fatal error?
Java. “Fatal run-time errors cause programs to stop immediately and prevent them from running properly. Divide.
How to fix Angular 7 Fatal Error Fatal Error?
Trying to change -max-old-space-size=4096 still doesn’t work. Any suggestions can it still be?
What is the fatal error in ESP32 fatal error?
Fatal error occurred: Packet header (0xA6) Fatal error occurred: Packet header (0xA6)
How to fix fatal error in WordPress fatal error?
For a number of Synology users who ended up in this thread after trying to find a solution to it, here is what you should do to resolve this issue on Synology. If you select it, you will delete the line. Your issue should be resolved. Also, a person can check nd_mysqli extension in PHP 7 config and disable any mysqli extension on Cpanel -> select PHP version.
What is fatal error and non fatal error?
This means that if you get a terminal error and fix it, the compiler doesn’t interfere with control line 3 and then goes on and finds the errors of the other 40 people and flags those people on the next build. “Non-fatal” error: Whenever an error of this type occurs, the compiler does not draw any conclusions from it.
What is the difference between a fatal error and a fatal system error?
A fatal error is usually easy to distinguish from a fatal functional error (colloquially referred to in all MS Windows operating systems as an error message, which is given as a kind of death rate blue screen). A fatal error usually occurs in one of the following cases: The service tries to divide by 3.
What is fatal error and non-fatal error?
Java. “Fatal run-time errors cause programs to close immediately without successful use.
How to fix Angular 7 Fatal Error Fatal Error?
I tried changing –max-old-space-size=4096 but still doesn’t work. Any instructions on what might grow out of this?
What is the fatal error in ESP32 fatal error?
Fatal error occurred: Invalid packet header (0xA6) Fatal error occurred: Invalid packet header (0xA6)
How to fix fatal error in WordPress fatal error?
For all other Synology members who come to this thread immediately after trying to find a solution to fix this problem in Synology, be sure to… If you find it, delete the line. Your issue should be resolved. If not, you can check nd_mysqli extension in php 5 config and disable mysqli format on cpanel -> select php rendering.
What is fatal error and non fatal error?
This means that if someone gets a fatal bug and fixes it, the compiler doesn’t block line 3 and then continues looking for the other 46 bugs and reports them in some of the later releases. “Non-fatal” error: When an error of this type occurs, the compiler type does not stop there.

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.