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c000021a fatal system error

Posted on 2009-04-01
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Last Modified: 2012-05-06
Hello Everyone
Can you tell me about this one

Stop:c000021a {fatal system error}
The windows subsystem process terminaled unexpectedly with a states of c0000005 (0x7x9106c3  0x00caed04) The system has been shut down
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Question by:wdejarn
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houssam_ballout earned 168 total points
ID: 24045012
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by:Jonvee
Jonvee earned 166 total points
ID: 24046948
It appears that your bootup files or System registry files have been corrupted.
Take a look at some good suggestions from a MS MVP and follow them sequentially, from this link>

Stop:c000021a {fatal system error}:
http://forum.aumha.org/viewtopic.php?f=62&t=38777
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by:Jonvee
ID: 24046989
> 0xC000021A: STATUS_SYSTEM_PROCESS_TERMINATED <

From the information in the "aumha" site below>
<quote>  This occurs when Windows switches into kernel mode and a user-mode subsystem, such as Winlogon or the Client Server Runtime Subsystem (CSRSS), is compromised. Security can no longer be guaranteed. Because Win XP cant run without Winlogon or CSRSS, this is one of the few situations where the failure of a user-mode service can cause the system to stop responding. This Stop message also can occur as a result of malware infestation or when the computer is restarted after a system administrator has modified permissions so that the SYSTEM account no longer has adequate permissions to access system files and folders. <unquote>

Troubleshooting Windows STOP Messages:
http://aumha.org/a/stop.htm

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by:Jonvee
ID: 24047057

Finally, there should be a dump of the state of your system at the time it crashed.
The dumps are normally located in c:\windows\minidump\    
or  %systemroot%\minidump\

You may need to disable auto restart:
Right click My Computer > Properties > Advanced > Startup and Recovery Settings and uncheck Automatically Restart.


If you wish to analyse your own dump file>
"How to read the small memory dump files that Windows creates for debugging":
http://support.microsoft.com/kb/315263

You can download windbg from this microsoft website.
http://www.microsoft.com/whdc/devtools/debugging/default.mspx

A good article here>
"Windows system crashes":
http://www.networkworld.com/news/2005/041105-windows-crash.html

If you later wish for someone here to analyse a Minidump, can you paste it in the "Attach Code Snippet" box.  You'll need to rename single minidump files first with a .txt extension, (do not rename the contents of the file).  Alternatively zip them before attaching, and rename the .zip to .txt for the attaching (the upload).

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by:sirbeer
sirbeer earned 166 total points
ID: 24514605
http://support.microsoft.com/kb/883275
STOP: 0xC000021A {Fatal System Error}

Might help
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