DOCUMENT:Q262698  20-AUG-2001  [visualc]
TITLE   :FIX: Visual C++ 6.0 Debugger Hangs on Multiprocessor Computers
PRODUCT :Microsoft C Compiler
PROD/VER:WINDOWS:6.0; winnt:
OPER/SYS:
KEYWORDS:kbide kbVC kbVC600bug kbVS600sp4fix kbVS600sp5fix

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

 - Microsoft Visual C++, 32-bit Enterprise Edition, version 6.0 
 - The Integrated Debugger 
-------------------------------------------------------------------------------

SYMPTOMS
========

The Visual C++ Debugger may stop responding (hang) when it is run on a computer
that has multiple processors.


CAUSE
=====

This problem is caused by a bug in the Em.dll file, one of the Visual C++ 6.0
debugger files.

RESOLUTION
==========

Install the latest service pack for Visual Studio 6.0.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article. This bug was corrected in the next service pack for
Visual Studio 6.0.

For additional information about Visual Studio service packs, click the article
numbers below to view the articles in the Microsoft Knowledge Base:

   Q194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

   Q194295 HOWTO: Tell That a Visual Studio Service Pack Is Installed

You can download the latest Visual Studio service pack from the following
Microsoft Web site:

   Visual Studio Product Updates
   (http://msdn.microsoft.com/vstudio/downloads/updates.asp)

Additional query words: sp4

======================================================================
Keywords          : kbide kbVC kbVC600bug kbVS600sp4fix kbVS600sp5fix 
Technology        : kbVCsearch kbAudDeveloper kbVC600 kbVC32bitSearch kbIntegratedDebugger
Version           : WINDOWS:6.0; winnt:
Issue type        : kbbug
Solution Type     : kbfix

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

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 2001.