What Is Code 0xc000021a? The error code is a blue screen death error or BSOD error that shows up when user subsystem is compromised. The error is normally displayed as: ‘STOP: c000021a {Fatal System Error} The Windows SubSystem system process terminated unexpectedly with a status of 0xc0000005.
Why does windows stop c000021a fatal system error?
The exact Windows STOP c000021a Fatal System Error message might be slightly different. But you should know what usually happens when this fatal Blue Sign error appears on the PC: The Windows kernel has diagnosed that the Winlogon.exe or Csrss.Service exe processes have failed (they were terminated or failed to verify that they are loaded).
Why is c000021a fatal system error on Windows 7?
If System Fatal Error C000021A occurred due to boot configuration data corruption, this troubleshooter should fix it permanently. So, here are all my troubleshooting methods that you should use to fix Fatal System Error C000021A in Windows 7 and 8.1.
What does fatal system error c000021a mean?
Let’s take a look at the Projector Blue Screen Fatal System Error c000021a which is one of the most common fatal system errors that you can encounter. The Windows logon process terminated unexpectedly with status 0x00000403 (0x00000000 0x00000000). The system has been abandoned.
How do I fix c000021a fatal error?
2:54Recommended 98-second displayc000021a Fatal System Error “Fix” – YouTubeYouTubeStart Suggested ExcerptEnd Suggested Excerpt
How do I fix C000021A fatal system error?
0:301:06How to fix blue screen of death error c000021a – YouTubeYouTubeSuggested clip startExpected clip endWhile rebooting the system, press and hold the F8 key to open advanced startup options. ScreenMore When the whole system reboots, press and hold the f8 key in exactly the same way as the result in advanced boot options. The screen appears when you select the Last Known Good Configuration option here.
Why does windows stop c000021a fatal system error?
The exact error message, including Windows STOP fatal system error c000021a, may vary slightly. But people need to know what happened before this fatal blue screen error appeared on your PC: you see that the Windows kernel detected faulty service processes Winlogon.exe or Csrss.exe (no longer responding or can no longer be loaded ). ).
Why is c000021a fatal system error on Windows 7?
If Fatal System Error C000021A is due to corrupted trainer configuration data, this troubleshooting method should resolve the issue. So, here are all the troubleshooting methods that you need to implement in order to successfully fix Fatal System Error C000021A in Windows 7 and 8.1.
What does fatal system error c000021a mean?
Let’s take a functional look at the fatal system error c000021a blue screen, which is one of the most common fatal computer errors that you can encounter. The system Windows logon process terminated impulsively with status 0x00000403 (0x00000000 0x00000000). The system was sealed.
How do I fix c000021a fatal error?
2:54Recommended 98 second clipc000021a Fatal System Error ‘Fix’ – YouTubeYouTubeHighly Recommended Clip Starting Recommended Clip Ending
How do I fix C000021A fatal system error?
0:301:06 How to fix Blue Screen of Death error c000021a – YouTubeYouTubeInitial Clip DisplaySuggested End ClipHold F8 while rebooting the system to see advanced startup options. The screen will appear when the system restarts. Hold down the F8 key while advanced boot options are displayed. From there, a screen will appear with that selection option labeled “Last Known Awesome Configuration”.

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.