Microsoft KB Archive/245087

= Err Msg: STOP C0000221 - Bad Image Checksum in Ntvdm.exe =

Article ID: 245087

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q245087



SYMPTOMS
When you use a computer that is running Microsoft Windows NT Server 4.0 or Microsoft Windows NT Workstation 4.0, the computer may stop responding (hang) and you may receive the following error message:

STOP C0000221 - Bad Image Checksum

The image ntvdm.exe is possibly corrupt, the header checksum does not match the computed checksum.



CAUSE
This behavior may occur if the Ntvdm.exe file is damaged.



RESOLUTION
To resolve this issue, use the appropriate method:

NOTE: You can use this procedure to fix any damaged file that is referred to in a STOP C0000221 error message.

File Allocation Table (FAT) Partition
If Windows NT 4.0 resides on a FAT partition, follow these steps:


 * 1) Start the computer in MS-DOS.
 * 2) Replace the Ntvdm.exe file in the %SystemRoot%\System32 folder with the Ntvdm.exe file that is included in Microsoft Windows NT 4.0 Service Pack 3 or later.
 * 3) Restart the computer.

NTFS Partition
If Windows NT 4.0 resides on an NTFS file system partition, follow these steps:


 * 1) Install a parallel installation of Windows NT 4.0, and then install the latest service pack for Windows NT 4.0 on the parallel installation.
 * 2) Start the computer using the parallel installation.
 * 3) Copy the Ntvdm.exe file from the parallel installation to the %SystemRoot%\System32 folder of the original installation.
 * 4) Restart the computer in the original installation, and then remove the parallel installation.

Keywords: kbprb KB245087

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