DOCUMENT:Q250334  11-JUN-2002  [msdn]
TITLE   :PRB: MSDN Library Unable to Display Help from Within VS
PRODUCT :Microsoft Developer Network
PROD/VER::6.0,6.0 sp1, sp2, sp3
OPER/SYS:
KEYWORDS:kbMSDN kbSSafe600 kbVBp600 kbVC600 kbvfp600 kbVisID600 kbVJ600 kbVS600

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

 - Microsoft Developer Network (MSDN) 
 - Microsoft Visual Studio versions 6.0, 6.0 sp1, sp2, sp3 
 - Microsoft Visual Basic Learning Edition for Windows, version 6.0 
 - Microsoft Visual Basic Professional Edition for Windows, version 6.0 
 - Microsoft Visual Basic Enterprise Edition for Windows, version 6.0 
 - Microsoft Visual C++, 32-bit Enterprise Edition, version 6.0 
 - Microsoft Visual C++, 32-bit Professional Edition, version 6.0 
 - Microsoft Visual C++, 32-bit Learning Edition, version 6.0 
 - Microsoft Visual Studio, Professional Edition 6.0 
 - Microsoft Visual Studio, Enterprise Edition 6.0 
 - Microsoft Visual J++, version 6.0 
 - Microsoft Visual SourceSafe for Windows, version 6.0 
 - Microsoft Visual InterDev, version 6.0 
 - Microsoft Visual FoxPro for Windows, version 6.0 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you try to access MSDN Library Help from within Visual Studio programs
using F1 or the Help menu, the following error message appears:

   unable to display help

CAUSE
=====

Vshelp.dll is not registered or is not correctly registered with the operating
system.

RESOLUTION
==========

To resolve this problem, run Regsvr32 to register Vshelp.dll:

1. Search for Vshelp.dll.

2. Select Start and then click Run. Type "Regsvr32" (without the quotation
   marks).

3. Click and hold on the file Vshelp.dll found in the search and drag it into
   the Run box immediately following Regsvr32. Click OK.

4. The system should return a "registered successfully" message. Click OK.

5. Close both windows.

6. Open a Visual Studio program and test Help.

STATUS
======

This behavior is by design.

MORE INFORMATION
================

This condition may occur after uninstalling the MSDN Library and reinstalling it
to a new location.

Steps to Reproduce the Behavior
-------------------------------

Unregister Vshelp.dll using "regsvr32 /U VSHELP.DLL".

REFERENCES
==========

   Q216109 HOWTO: Troubleshoot MSDN Library Run-Time/Install/Uninstall

   Q251147 PRB: "Unable to Display Help" or "No Help Available" Error Messages
   for ADO from Within Visual Basic

Additional query words: sp4 VSNET VS .NET

======================================================================
Keywords          : kbMSDN kbSSafe600 kbVBp600 kbVC600 kbvfp600 kbVisID600 kbVJ600 kbVS600 
Technology        : kbVCsearch kbVSsearch kbVJsearch kbVisIDsearch kbVFPsearch kbVBSearch kbSSafeSearch kbAudDeveloper kbZNotKeyword6 kbMSDNSearch kbZNotKeyword2 kbVB600Search kbVB600 kbVC600 kbVC32bitSearch kbVFP600 kbVisID600 kbVJ600 kbSSafe600 kbVS600 kbVS600SPxSearch kbVS600Search
Version           : :6.0,6.0 sp1, sp2, sp3
Issue type        : kbprb

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

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS
PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.  MICROSOFT DISCLAIMS
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  IN NO
EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR
ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.  SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES
SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 2002.