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Fatal Systems Error C000021a

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I have a Dell Inspiron 1525 Model #PP29L with Vista Home Premium package.

Over the last couple of weeks my computer would shut down on its own, which was unusual. Under Control Panel I checked all areas relating to Power supply. Nothing was marked to shut down.

Last night I came home to find the following message on my computer. The screen color was blue with white letters.

Stop: C000021a (fatal system error)
The initial session process or system process terminated unexpectedly with a status of 0x00000000 (0xc0000001, 0x001005f4).

I tried to close with a Ctrl/Alt/Delete, it would not shut down. I tried turning power off from start button, it would not shut down. I unpluged power source from wall and not until this morning did it shut down, I figure there was no battery life left and that it why it shut down.

Do you know what is wrong? thanks so much.
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    Kraków my love :)

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Download BlueScreenView
No installation required.
Double click on BlueScreenView.exe file to run the program.
When scanning is done, go Edit>Select All.
Go File>Save Selected Items, and save the report as BSOD.txt.
Open BSOD.txt in Notepad, copy all content, and paste it into your next reply.
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