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Fatal System Error c000021a

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Old 17-10-2010
Join Date: Oct 2010
Posts: 1
Fatal System Error c000021a


I'm hoping that someone is able to help me.

When I went to turn off my PC last night it automatically installed several updates before shut down. I then went to turn it on this morning and now all I am able to get is a blue screen with error message: STOP:c000021a (Fatal System Error) 0xc0000034.

I have been looking on the internet for a while for a solution but it's pretty much going over my head. And I have tried safe mode but it again goes to the blue screen.

Anyone got any advice on what I can do?


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Old 27-04-2011
Join Date: May 2008
Posts: 1,020
Re: Fatal System Error c000021a

Normally this error comes when there is error in memory block. You can try to repair the system and see if that solves the problem. If not then you can reinstall the operating system. I did the same when I was getting the same issue and it solves the problem. But before moving to this, you can take a look at this and see if any of the reply helps you from there.

Stop: c000021a and 0xc0000135 (Fatal System Error)
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