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Tom's Hardware > Forum > Windows Vista > Security > Security processor reported a mismatch error?

Security processor reported a mismatch error?

Forum Windows Vista : Security Security processor reported a mismatch error?

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umike90   02-04-2012 at 02:45:56 AM

I just got this error after doing a system update on my laptop.

Error: 0xC004D401
Description: The security processor reported a system file mismatch error.

What does this mean and what should I do to fix it?

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hang-the-9   02-10-2012 at 07:45:18 PM

Does it happen every time or just once? When exactly does the error come up?

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umike90   02-17-2012 at 02:23:58 AM

This was the first time it happened. What is it?

Reply to umike90
hang-the-9   02-17-2012 at 04:04:05 PM

Take a look here http://forums.cnet.com/7723-12546_ [...] xc004d401/

Either the OS you have is pirated, or some security software you have is not compatible with Vista. If could have been a temporary thing when Vista updated a file that the OS caught as bad for a second.

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