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Old 28-11-2012
Join Date: Feb 2011
Posts: 152
c210000a unknown hard error

i am getting "STOP: c210000a unknown hard error" after windows loading screen and also system at this "STOP: c210000a unknown hard error" screen.

i am thinking my hard disk is crashed, is my thinking
what would happen , why it is showing like that?
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Old 29-11-2012
Join Date: Nov 2011
Posts: 83
Re: c210000a unknown hard error

I’ve just checked out for the error and have came across this knowledge based article:
"Stop error code 0xC0000221 (STATUS_IMAGE_CHECKSUM_MISMATCH)" error message occurs
It addressed the error you are getting, just go through it and try out the resolution mentioned there.
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Old 15-01-2014
Join Date: Jul 2011
Posts: 383
Re: c210000a unknown hard error

The error occur due to driver issue. You will require to check that all the recently installed drivers in your system is appropriate and updated. The other things that cause the same problem is damage dlls files. You have to check your system hardware for the same. Some time recently installed hardware or new drivers cause the issue. You can get a bit more detail about the error in Event Viewer. It has a section where all error logs are maintained with complete information. If this is a driver based issue then you can see the same in it and that would be easy to fix.
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Old 16-01-2014
Join Date: Aug 2011
Posts: 362
Re: c210000a unknown hard error

The only possible way to get rid of this error is to install Windows back again from scratch. You will need to re-install Windows XP by formatting your existing partition. So first boot in safe mode. Under that take a full system backup and then go ahead with formatting. Usually I keep a complete system recovery file ready with me. This file help me to restore my system instantly whenever I face any blue-screen or major problem. The entire system is instantly restored and works really fine. It is just like fresh windows installation.
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