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A system file that is owned by Windows was...
STOP: 0x000000C3
Description
A system file was incorrectly replaced preventing Windows from running.
Some versions of Windows may show the description as "BUGCODE_PSS_MESSAGE_SIGNATURE".
This is a fatal Windows error, typically called a Stop message, Bug Check, or more commonly the Blue Screen of Death (BSoD). The system is in a forced reboot state. Any unsaved work is likely lost.
Sample Screen
A problem has been detected and Windows has been shut down to prevent damage to your computer.
A system file that is owned by Windows was replaced by an application running on your system. The operating system detected this and tried to verify the validity of the file's signature. The operating system found that the file signature is not valid and put the original, correct file back so that your operating system will continue to function properly.
Technical Information:
*** STOP: 0x000000C3
Beginning dump of physical memory
Physical memory dump complete.
Contact your system administrator or technical support group for further
assistance.
Text may appear differently depending on where the error occurs.
Additional technical information (hex values) specific to a machine are not shown.
Key Facts
Full Title
A system file that is owned by Windows was replaced by an application running on your system. The operating system detected this and tried to verify the validity of the file's signature. The operating system found that the file signature is not valid and put the original, correct file back so that your operating system will continue to function properly.
Replace the system file with a valid Windows supplied system file. If you're not sure which file to replace, if you have an image backup, you might restore from the backup.
While BSoD fatal stop errors are identified by Microsoft Windows, they are often caused by
non-Microsoft applications, drivers and hardware issues.
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Notes
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