DOCUMENT:Q191496  21-JUL-2001  [visualc]
TITLE   :BUG: VC5: Project Conversion from Version 4.x May Crash VS97
PRODUCT :Microsoft C Compiler
PROD/VER:WINNT:5.0,5.0sp1,5.0sp2,5.0sp3
OPER/SYS:
KEYWORDS:kbnokeyword

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The information in this article applies to:

 - Microsoft Visual C++, 32-bit Enterprise Edition, versions 5.0, 5.0sp1, 5.0sp2, 5.0sp3 
 - Microsoft Visual C++, 32-bit Professional Edition, versions 5.0, 5.0sp1, 5.0sp2, 5.0sp3 
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SYMPTOMS
========

Visual Studio 97 may terminate while updating Visual C++ 4.x projects to version
5.0. The crash occurs during the conversion of the project's .ncb file to the
new format.

RESOLUTION
==========

The workaround for Visual C++ version 5.0 is to delete the project's .ncb file
prior to conversion.

NOTE: During conversion, pay close attention to the information dialog box that
describes the steps necessary to get ClassView and other features to work
correctly.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article.

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

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

1. From Visual C++ 5.0, open a project created using a version of Visual C++ 4.

2. Click OK to each of the project conversion dialog boxes.

3. The crash appears as an Application Error message.

4. Verify the workaround by deleting the .ncb file prior to project conversion.

   IMPORTANT: After the conversion, remember to follow instructions provided in
   the information dialog box during conversion that described the steps
   necessary to get ClassView and other features to work correctly.

Additional query words:

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Keywords          : kbnokeyword 
Technology        : kbVCsearch kbAudDeveloper kbVC500 kbVC32bitSearch kbVC500SP1 kbVC500SP2 kbVC500SP3 kbVC500Search
Version           : WINNT:5.0,5.0sp1,5.0sp2,5.0sp3
Issue type        : kbbug
Solution Type     : kbnofix

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