DOCUMENT:Q241385  02-APR-2002  [msdn]
TITLE   :PRB: MSDN Library Topics Display ActiveX Control Warning
PRODUCT :Microsoft Developer Network
PROD/VER::4.0
OPER/SYS:
KEYWORDS:kbHTMLHelp kbMSDN kbOSWinNT400 kbDSupport kbGrpDSTools

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-------------------------------------------------------------------------------
The information in this article applies to:

 - Microsoft Developer Network (MSDN) 
 - the operating system: Microsoft Windows NT 4.0 
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SYMPTOMS
========

When displaying any topic in the MSDN Library on Windows NT 4.0, the following
error appears:

   This page provides potentially unsafe information to an ActiveX control. Your
   current security settings prohibit running controls in this manner. As a
   result, this page may not display correctly.

CAUSE
=====

An incorrect or corrupt version of Comcat.dll is on the Windows NT 4.0 system.
Usually, this happens when Comcat.dll is incorrectly updated to a 5.0 version of
the file.

For additional information, click the article number below to view the article in
the Microsoft Knowledge Base:

   Q201364 PRB: Mismatched Ole32.dll and Comcat.dll

RESOLUTION
==========

Use the following steps to restore the 4.71 version of Comcat.dll:

1. Close all running applications.

2. On the Start menu, click Run.

3. Type "CMD" (without the quotation marks), and then press ENTER.

4. When the command prompt appears, navigate to the System directory where
   Comcat.dll resides. For example, the following command will navigate to the
   C:\Winnt\System32 directory:

   cd C:\Winnt\System32

5. Next use the rename command as follows:

   rename Comcat.dll Comcat.bak

6. Close the command prompt window.

7. Restart the computer.

8. Download and install VBRun60sp5.exe to place the 4.71.1460.1 version of
   Comcat.dll on the system. Please see the following Knowledge Base article on
   VBRun60sp5.exe:

   Q290887 FILE: VBRun60sp5.exe Installs Visual Basic 6.0 SP5 Run-Time Files

STATUS
======

This behavior is by design.

REFERENCES
==========

For more information, please see the following Knowledge Base articles:

   Q201364 PRB: Mismatched Ole32.dll and Comcat.dll

   Q240092 OL2000: Error Message This page provides potentially unsafe
   information to an Active X control. Your current security settings prohibit
   running controls in this manner. As a result, this page may not display
   properly.

   Q177943 ActiveX Errors Running Microsoft Internet Explorer

   Q235653 Err Msg: This Page Provides Potentially Unsafe Information to an
   ActiveX Control

Additional query words:

======================================================================
Keywords          : kbHTMLHelp kbMSDN kbOSWinNT400 kbDSupport kbGrpDSTools 
Technology        : kbOSWinSearch kbOSWinNT400 kbMSDNSearch kbZNotKeyword2 kbOSWinNTSearch
Version           : :4.0
Issue type        : kbprb

=============================================================================

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