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Q164414: FIX: MSDEV Error: "The Requested Topic Does Not Exist"

Article: Q164414
Product(s): Microsoft C Compiler
Version(s): winnt:4.2
Operating System(s): 
Keyword(s): kbVC420bug kbVC600fix kbGrpDSTools
Last Modified: 04-AUG-2001

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The information in this article applies to:

- Microsoft Visual C++, 32-bit Enterprise Edition, version 4.2 
- Microsoft Visual C++, 32-bit Professional Edition, version 4.2 
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SYMPTOMS
========

If you install Visual C++ 4.2 over version 4.1 and then run Developer Studio,
the following error message may appear:

  The requested topic does not exist. The title is in error.

CAUSE
=====

This happens because the registry key (should be all on one line):

  HKEY_CURRENT_USER\SoftwareMicrosoftInfoViewer\Titles\VCBKS40.MVB\LastTopic

has the last topic from Visual C++ 4.1 which is invalid in 4.2.

This problem occurs in this release because the same book name is used in both
Visual C++ 4.2 and 4.1.

RESOLUTION
==========

- Use the help system once in Visual C++ 4.2. This overwrites the registry key.
  Exit and run Developer Studio again. The error does not occur.

-or-

- The error message is harmless and can be ignored.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article. The problem was corrected in Visual C 6.0.

Additional query words:

======================================================================
Keywords          : kbVC420bug kbVC600fix kbGrpDSTools 
Technology        : kbVCsearch kbAudDeveloper kbVC420 kbVC32bitSearch
Version           : winnt:4.2
Issue type        : kbbug
Solution Type     : kbfix

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