[tonyjh]

Hi I am using windows xp home.
When updating from microsofts website and after update applied had to restart computer
resulting in this error.

Stop c000021a Fatal System Error
The windows login process system process terminated unexpectedly with a status of
0xc000001d c0x00000000 The system has been shut down

Not sure what update caused it as wasnt paying much attention at the time.


some one please help
Regards
tonyjh

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More than likely the installation of a critical update has failed.
Try this

Last known good configuration
1. Press F8 at the indicated time:
* For an x86-based computer: When a screen of text appears and then disappears , press F8. (The screen of text may include a memory test, lines about the BIOS, and other lines.) There may also be a prompt that tells you when to press F8.
* For an Itanium architecture-based computer: After you make your selection from the boot menu, press F8. There may be a prompt that tells you when to press F8.
2. Use the arrow keys to select Last Known Good Configuration, and then press ENTER.

NUM LOCK must be off before the arrow keys on the numeric keypad will function.

Edited by Macboatmaster, 05 November 2010 - 01:10 PM.

[Macboatmaster]

More than likely the installation of a critical update has failed.
Try this

Last known good configuration
1. Press F8 at the indicated time:
* For an x86-based computer: When a screen of text appears and then disappears , press F8. (The screen of text may include a memory test, lines about the BIOS, and other lines.) There may also be a prompt that tells you when to press F8.
* For an Itanium architecture-based computer: After you make your selection from the boot menu, press F8. There may be a prompt that tells you when to press F8.
2. Use the arrow keys to select Last Known Good Configuration, and then press ENTER.

NUM LOCK must be off before the arrow keys on the numeric keypad will function.

Edited by Macboatmaster, 05 November 2010 - 01:10 PM.

[tonyjh]

Hi Macboatmaster

Have tried that option but it does not work i get the same error.

[Macboatmaster]

Please provide
WHAT YOU HAVE TRIED
this saves time for everyone concerned..
Also provide make and model if branded. that is model number, as well.
If it is branded please detail which DVD/CD`s that came witrh the machine - you have.
Do you have the XP CD that installed the O/S or is it one where it was pre-installed.
Are you familar with the recovery console.

[tonyjh]

Hi
thanks for the reply but i fixed the problem had to uninstall service pack 3 from recovery console.
Regards
tonyh