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Thread: STop: c000021a {Fatal System Error}

  1. #1
    Join Date
    May 2009
    Posts
    1

    sad STop: c000021a {Fatal System Error}

    My parents have just given me my keyboard and mouse back after being ungrounded, and upon turning on my computer (which took much longer than usual), the computer gave me this blue screen error:

    Stop: c000021a {Fatal System Error} The Windows Logon Process System process terminated unexpectedly with a status of 0xc0000135 (0x00000000 0x00000000), The System has Been Shut Down.

    I have looked at other troubleshooting solutions, but the problem is the computer is unresponsive to any keyboard strokes. I cannot access safe mode, change boot order, or select a previous correct configuration. What can I do?

  2. #2
    Join Date
    Apr 2008
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    3,526

  3. #3
    Dr. V Guest

    Re: STop: c000021a {Fatal System Error}

    To resolve this issue:

    1. Create a parallel installation of Windows NT.For additional information how to do so, click the article number below to view the article in the Microsoft Knowledge Base:

    2. Start your computer to the parallel installation of Windows NT, and then start Registry Editor.
    3. On the Window menu, click HKEY_LOCAL_MACHINE on Local Machine.
    4. On the Registry menu, click Load Hive.
    5. Type the path to the System hive of the prior installation, typically %systemroot%\system32\config\system, and then click Open.
    6. When you are prompted for the name of the key, type TEST, and then view the following registry entry:
    HKEY_LOCAL_MACHINE\TEST\Select
    7. Note the setting for the Current DWord value in the preceding registry key. This is typically 0x1, and is represented as CURRENT:Reg_Dword:0x1. This value indicates that the "CurrentControlSet" for your original Windows NT installation corresponds to ControlSet001 in this window. A value of 2 would indicate that the "CurrentControlSet" for your original Windows NT installation would correspond to ControlSet002, and so on.
    8. Locate the following registry key
    HKEY_LOCAL_MACHINE\TEST\ControlSetXXX\Control\Session Manager
    where XXX is the CurrentControlSet that you identified in the preceding step.
    9. Under the Session Manager key, note and then delete any PendingFileRenameOperations entries.
    10. Click the TEST hive, and then click Unload Hive on the Registry menu.
    11. On the Registry menu, click Load Hive.
    12. Type the path to the Software hive of the prior installation, typically %systemroot%\system32\config\Software, and then click Open.
    13. When you are prompted for the name of the key, type TEST2.
    14. Remove any PendingFileRenameOperations entries in the following registry keys:
    HKEY_LOCAL_MACHINE\TEST2\Microsoft\Windows\CurrentVersion\RunOnce

    HKEY_LOCAL_MACHINE\TEST2\Microsoft\Windows\CurrentVersion\RunOnceEx
    15. Click the TEST2 hive, and then click Unload Hive on the Registry menu.
    16. Quit Registry Editor, and then restart your original installation.

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