Article ID: 101096 - View products that this article applies to.
This article was previously published under Q101096
The following STOP message appears when a critical system file or other file needed to load Windows is corrupted:
Alternatively, the error may read as follows:
STOP: C0000221 unknown hard error
In Windows 2000 the error reads as follows:
STOP: 0xC0000221 unknown hard error
c:\winnt\system32\ntdll.dll (or other specific file/driver)
This error can appear in many different formats, ranging from a blue system error screen to a dialog box. The type of format depends on how much of the operating system was loaded when the corrupted file was detected.
STOP: 0xC0000221 STATUS_IMAGE_CHECKSUM_MISMATCH
If you receive this error message, the file listed in the error message is corrupted.
To resolve this issue, you need to either obtain a new copy of the file or reinstall Windows. If reinstallation fails to solve the problem, a hardware or network problem may exist.
The files that are checked for integrity when Windows starts are:
Article ID: 101096 - Last Review: February 20, 2007 - Revision: 2.2
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