Error Message Occurs When You Click the Edit Button (293313)


The information in this article applies to:

  • Microsoft Internet Explorer 5.5 for Windows NT 4.0 SP 1
  • Microsoft Internet Explorer 5.01 for Windows NT 4.0 SP 1
  • Microsoft Internet Explorer 5.01 for Windows NT 4.0 SP 2
  • Microsoft Internet Explorer 5.0 for Windows NT 4.0
  • Microsoft Internet Explorer 5.5 for Windows Millennium Edition SP 1
  • Microsoft Internet Explorer 5.5 for Windows 98 Second Edition SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 Second Edition SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 Second Edition SP 2
  • Microsoft Internet Explorer 5.0 for Windows 98 Second Edition
  • Microsoft Internet Explorer 5.5 for Windows 98 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 SP 2
  • Microsoft Internet Explorer 5.0 for Windows 98
  • Microsoft Internet Explorer 5.5 for Windows 95 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 95 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 95 SP 2
  • Microsoft Internet Explorer 5.0 for Windows 95
  • Microsoft Internet Explorer 5.5 for Windows 2000 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 2000 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 2000 SP 2
  • Microsoft FrontPage 2000
This article was previously published under Q293313
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SYMPTOMS

When you click the Edit button in Internet Explorer, you may receive the following error message:
Program Not Found
Windows cannot find o4.exe.
This program is needed for opening files of type 'HTM File'

CAUSE

This issue can occur if there is corrupt registry information relating to Microsoft FrontPage 2000.

RESOLUTION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To resolve this issue, use either of the following methods:
  • Run the Detect and Repair tool for FrontPage 2000:
    1. Start Front Page 2000.
    2. Click Help, and then click Detect and Repair.
  • Fix the registry setting:
    1. Start Registry Editor (Regedt32.exe).
    2. Locate and click the following key in the registry:

      HKEY_CLASSES_ROOT\FrontPage.Editor.Document.4.0\HTML Handler\shell\edit\command

    3. Double-click Default in the right pane.
    4. In the Value data box, type:

      "C:\Program Files\Microsoft Office\Office\msohtmed.exe" /o4 %1

    5. Quit Registry Editor.
Modification Type:MinorLast Reviewed:1/14/2006
Keywords:kberrmsg kbprb KB293313
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