Microsoft KB Archive/101652

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No Document Icon for File with Document Filename Extension

Article ID: 101652

Article Last Modified on 10/31/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1

This article was previously published under Q101652


In a directory window in File Manager, a file does not have the correct icon that indicates it is a document even though it has a filename extension that corresponds to a document.


This problem occurs because the Registry includes a four-letter filename extension in the HKEY_CLASSES_ROOT subtree. Due to a bug in File Manager, it stops searching after it processes a four-letter (or longer) filename extension.


In the HKEY_CLASSES_ROOT subtree, remove any four-letter (or longer) filename extensions.

CAUTION: Filename extensions are always prefixed with a period (.). Key names not prefixed with a period are not file extensions; do not delete them.

Additional query words: prodnt

Keywords: kbother KB101652