Error Message After Upgrading Windows NT for Second Processor

 Last reviewed: March 9, 1998
Article ID: Q174623
The information in this article applies to:
  • Microsoft Windows NT Workstation version 4.0
  • Microsoft Windows NT Server version 4.0
  • Microsoft Windows NT Server Enterprise Edition version 4.0

SYMPTOMS

After you upgrade Windows NT to support a second processor, you may receive the following error message: 

   Windows NT could not start because the following file is
   corrupt:%winnt%\system32\drivers\fastfat.sys

CAUSE

This behavior can be caused by a file mismatch between the files from Windows NT and those from an installed Service Pack.

RESOLUTION

To resolve this issue, use one of the following methods:

If You Have Not Yet Restarted After the Upgrade

Reapply the latest Service Pack before you restart the computer.

If You Have Already Restarted After the Upgrade

For information about resolving this issue, see the following article in the Microsoft Knowledge Base for information about which files to replace: 

   ARTICLE-ID: Q156358
   TITLE     : How to Manually Add Support for a Second Processor

Additional query words: hal.dll 4.00
Keywords : ntreskit kbenv kberrmsg
Version : WINNT:4.0
Platform : winnt
Issue type : kbprb

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Last reviewed: March 9, 1998
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