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My Dell Dimension 4400 running windows XP Home Edition stopped working and displays a blue screen with the following message: STOP: c000021a {Fatal System Error} The windows Login Process system process terminated unexpectedly wath a status of (0xc0000020 (0x00000000 0x00000000). The sytem has been shut down. I already have tried to restart in Safe Mode but the screen starts to boot up in safe mode by printing alot of code then the screen goes black and returns to the blue screen and the above error code.

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  • Nicolas
    Nicolas May 11, 2010

    Hmm, did u installed any hard or software latly?

    If you installed any hardware revove it

    If not, i sugest you downloag the program "memtest86" burn it on a cd the boot up yur pc from your cd whit that disc

    Mentest86 will check so your memorysticks are ok

    any errors on a memostick can cause your that blue screen



    u can download memtest86 from here, download the free one



    http://www.memtest86.com/



    Let me know how it goes

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If that is not it reistall and to not loose you files click you partion durring the install and do not format it and click enter then click on leave partion alone

Posted on Dec 08, 2008

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Blue screen error STOP: c000021a {Fatal System Error} The windows logon process System process terminated unexpectedly with status of 0x0000005 ( 0x00000000 0x00000000). The system has been shut down.


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hello there
here is some information that should be able to explain this error and how to fix it ok?
best regards michael
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