c:000021 has unrecoverable system error. The system process window logon ended unexpectedly with a blocking ststus 0x00000000. The system has been shut down

c:000021 has unrecoverable system error. The system process window logon ended unexpectedly with a blocking ststus 0x00000000. The system has been shut down

Pls teach the procedure for resolution of the problems of this error message.

Hi mac62sg,

Remember to make changes to the computer before this problem?

You can follow the steps mentioned in the article below

How to solve an error "STOP 0xC000021A.

http://support.Microsoft.com/kb/156669

Important : this section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:

How to back up and restore the registry in Windows
http://support.Microsoft.com/kb/322756/

Thank you, and in what concerns:

Ajay K

Microsoft Answers Support Engineer

Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

Similar Questions

  • STOP: c000021a {fatal system error} the initial session process or system ended unexpectedly with status 0 x 000000001 (0xc0000034 0x0010038c). The system has been shut down

    I am trying to start my Dell Inspiron 1525, but get the following blue screen message "STOP: c000021a {fatal system error} the initial session of the process or system process ended unexpectedly with status 0 x 000000001 (0xc0000034 0x0010038c).» The system was stopped.

    I tried to boot mode without fail & startup repair but nothing helps, always the message, any help would be really appreciated as all my College work is stored on the laptop.
    What about Otto
    Windows vista Home basic

    Hello

    Check with Dell Support, their online documentation, diagnosis and ask in the forums about known issues.

    Dell support
    http://support.Dell.com/

    Dell support drivers - product manual & warranty Info (left side) - and much more
    http://support.Dell.com/support/index.aspx?c=us&l=en&s=DHS

    Dell forums
    http://en.community.Dell.com/forums/

    =========

    STOP: 0XC000021A

    Can be a difficult problem to solve, and you indeed need a technical help in a real store of the computer
    (not the leeks and the glances at a BestBuy or other BigBox stores) or system manufacturer support.

    Cause

    This error occurs when a subsystem of mode user, such as WinLogon or the Client Server Run-Time Subsystem (CSRSS), irremediably compromised and security can not be guaranteed. In response, the operating system goes into kernel mode. Microsoft Windows cannot run without WinLogon or CSRSS. Therefore, it is one of the rare cases where the failure of a user mode service can stop the system.

    Incompatible system files can also cause this error. This can happen if you restored your hard disk from a backup. Some backup programs may skip restoring system files which they determine are in use.


    Solve the problem

    Run the kernel debugger is not useful in this situation because the error occurred in a user mode process.

    Resolve an error in the user-mode device driver or system, third-party application service: Because the bug 0xC000021A control occurs in a user mode process, the most common culprits are third-party applications. If the error occurred after the installation of the new or updated device driver or service system, third-party applications, the new software should be removed or disabled. Contact the manufacturer of the software on a possible update.

    If the error occurs during the system startup, restart your computer, and then press F8 to character-based menu that displays the choice of operating system. In the Windows Advanced Options menu that results, select the last known good Configuration option. This option is most effective when a pilot or a service is added at a time. If the error is not resolved, try to manually remove the offending software. If the system partition is formatted with the (FAT) file allocation table, use a MS-DOS boot disk to access the hard disk of the computer. If the system partition is formatted with the NTFS file system, you may be able to use Safe Mode to rename or remove the defective software. If the defective software is used as part of the start-up procedure of the system Safe Mode, you must start the computer by using the Recovery Console to access the file. If a room newly installed if material is suspected, remove it to see if that fixes the problem.

    Try running the emergency recovery disk (ERD) and allow the system to repair any errors that it detects.

    Solve a problem of file system do not match: If you have recently restored your hard disk from a backup, check if there is an updated version of the backup/restore program available from the manufacturer. Make sure that the latest Windows Service Pack is installed.

    STOP: 0XC000021A<-- read="" this="">
    * 1314.html http://www.faultwire.com/solutions-fatal_error/Status-System-Process-terminated-0xC000021A-

    -----------------------------------------------------------------------

    Look in the Event Viewer to see if something is reported on those.
    http://www.computerperformance.co.UK/Vista/vista_event_viewer.htm

    MyEventViewer - free - a simple alternative in the standard Windows Event Viewer.
    TIP - Options - Advanced filter allows you to see a period of time instead of the entire file.
    http://www.NirSoft.NET/utils/my_event_viewer.html

    -------------------------------------------------------------------------

    It's my generic bluescreen convenience store - you can try Mode safe mode as suggested in article
    above - repeatedly press F8 that you start. Disks of Vista are probably necessary - if you do not have to try
    repair, you can borrow a friends because they are not protected against copying. You can also buy the physical
    discs of the machine system good cheap that you already own windows (you will need to reinstall
    If necessary). You can also repair disks on another computer.

    Here are a few ways to possibly fix the blue screen issue. If you could give the blue screen
    info that would help. Such as ITC and 4 others entered at the bottom left. And all others
    error information such as codes of STOP and info like IRQL_NOT_LESS_OR_EQUAL or PAGE_FAULT_IN_NONPAGED_AREA and similar messages.

    As examples:

    BCCode: 116
    BCP1: 87BC9510
    BCP2: 8C013D80
    BCP3: 00000000
    BCP4: 00000002

    or in this format:

    Stop: 0 x 00000000 (oxoooooooo oxoooooooo oxoooooooo oxooooooooo)
    Tcpip.sys - address blocking 0 x 0 00000000 000000000 DateStamp 0 x 000000000

    It is an excellent tool for displaying the blue screen error information

    BlueScreenView scans all your minidump files created during "blue screen of death," collisions
    Displays information on all the "crash" of a table - free
    http://www.NirSoft.NET/utils/blue_screen_view.html

    BlueScreens many are caused by old or damaged, in particular the video drivers drivers however
    There are other causes.

    You can do mode if necessary safe or the Vista DVD command prompt or
    Options recovery if your system is installed by the manufacturer.

    How to start on the System Recovery Options in Windows 7
    http://www.SevenForums.com/tutorials/668-system-recovery-options.html

    You can try a system restore to a point before the problem started when one exists.

    How to do a system restore in Windows 7
    http://www.SevenForums.com/tutorials/700-system-restore.html

    -------------------------------------------------------------------------

    Start - type this in the search box-> find COMMAND at the top and RIGHT CLICK – RUN AS ADMIN

    Enter this at the command prompt - sfc/scannow

    How to fix the system files of Windows 7 with the System File Checker
    http://www.SevenForums.com/tutorials/1538-SFC-SCANNOW-Command-System-File-Checker.html

    How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe) program
    generates cbs.log Windows Vista (and Windows 7)
    http://support.Microsoft.com/kb/928228

    The log can give you the answer if there is a corrupted driver. (Says not all possible
    driver problems).

    Also run CheckDisk, so we cannot exclude as much as possible of the corruption.

    How to run the check disk at startup in Windows 7
    http://www.SevenForums.com/tutorials/433-disk-check.html

    -------------------------------------------------------------------------

    Often drivers up-to-date will help, usually video, sound, network card (NIC), WiFi, part 3
    keyboard and mouse, as well as of other major device drivers.

    Look at the sites of the manufacturer for drivers - and the manufacturer of the device manually.
    http://pcsupport.about.com/od/driverssupport/HT/driverdlmfgr.htm

    Installation and update of drivers under Windows 7 (updated drivers manually using the methods above
    It is preferable to ensure that the latest drivers from the manufacturer of system and device manufacturers are located)
    http://www.SevenForums.com/tutorials/43216-installing-updating-drivers-7-a.html

    How to disable automatic driver Installation in Windows Vista - drivers
    http://www.AddictiveTips.com/Windows-Tips/how-to-disable-automatic-driver-installation-in-Windows-Vista/
    http://TechNet.Microsoft.com/en-us/library/cc730606 (WS.10) .aspx

    -------------------------------------------------------------------------

    How to fix BlueScreen (STOP) errors that cause Windows Vista to shut down or restart
    quit unexpectedly
    http://support.Microsoft.com/kb/958233

    Troubleshooting Vista Blue Screen, error of JUDGMENT (and Windows 7)
    http://www.chicagotech.NET/Vista/vistabluescreen.htm

    Understanding and decoding BSOD (blue screen of death) Messages
    http://www.Taranfx.com/blog/?p=692

    Windows - troubleshooting blue screen errors
    http://KB.wisc.edu/page.php?id=7033

    -------------------------------------------------------------------------

    In some cases, it may be necessary.

    Startup Options recovery or Windows 7 disk repair

    How to run a startup repair in Windows 7
    http://www.SevenForums.com/tutorials/681-startup-repair.html

    How to start on the System Recovery Options in Windows 7
    http://www.SevenForums.com/tutorials/668-system-recovery-options.html

    How to create a Windows 7 system repair disc
    http://www.SevenForums.com/tutorials/2083-system-repair-disc-create.html

    I hope this helps.

    Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

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