PSS ID Number: Q150937

Article Last Modified on 02-20-2002

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The information in this article applies to:

• Microsoft Visual C++ 4.1

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Summary

This article explains how to get a patch to fix the problems discussed in the SYMPTOMS section below.

The following files are available for download from the Microsoft Download Center:


Vc41a.exe

For additional information about how to download Microsoft Support files, click the article number below to view the article in the Microsoft Knowledge Base:

Q119591 How to Obtain Microsoft Support Files from Online Services

Microsoft used the most current virus detection software available on the date of posting to scan this file for viruses. Once posted, the file is housed on secure servers that prevent any unauthorized changes to the file.



This patch fixes two different Visual C++ 4.1 problems described below.

• It fixes a problem you may be seeing in an MFC application that uses the Microsoft database classes. While using certain ODBC drivers, you may get "Out of memory" errors. See below for a list of files updated.
  
  For more information, please also see the following article in the Microsoft Knowledge Base:




Q148787 FIX: Run Out of Memory or Assertion in GetBufferSetLength()

• It also fixes the debugger problem in the Microsoft Developer Studio where you may not be stopping at breakpoints you have set if your project was built from a directory structure that contained long names. This problem did not exist in Visual C++ 4.0. See below for a list of files updated.

For more information, please also see the following article in the Microsoft Knowledge Base:

Q150936 FIX: VC4.1 Debugger Fails to Stop on Breakpoints with Long Names

Included in the self-extracting file, VC41A.EXE, you'll find:

Readme.txt	The text file that contains more information about this patch.
Patch.exe	The executable that runs the patch script.
Msdev41.rtp	The patch file for the \Msdev tree.
Mfc41.rtp	The patch file for the MFC DLLs in the \Windows\System directory.

To Patch the MFC DLLs in Your \Windows\System Directory

1. Close all applications that use MFC, including Microsoft Developer Studio.



2. Copy Patch.exe and Mfc41.rtp to your \Windows\System directory in Windows 95 or Windows 3.x running Win32s, or the \Windows\System32 directory in Windows NT.



3. Run the command "patch mfc41" (without the quotation marks) at a command prompt in that directory.

The files patched By Mfc41.rtp in the Windows system directory are:

• mfc40.dll




   (Before)  Size: 921,872  Date: 2/28/96  Time:  6:53a Version: 4.1.6038
   (After)         921,872        5/13/96        11:39a          4.1.6130 

• mfc40u.dll




   (Before)  Size: 922,384  Date: 2/28/96  Time:  3:16a Version: 4.1.6038
   (After)         919,824        5/13/96        11:45a          4.1.6130 

• mfcd40d.dll




   (Before)  Size: 247,808  Date: 2/27/96  Time: 10:40p Version: 4.1.6038
   (After)         247,808        5/13/96        11:46a          4.1.6130 

• mfcd40ud.dll




   (Before)  Size: 255,488  Date: 2/27/96  Time: 11:05p Version: 4.1.6038
   (After)         255,488        5/13/96        11:46a          4.1.6130 

• mfcd40d.pdb




   (Before)  Size: 1,134,592  Date: 2/27/96  Time: 10:40p
   (After)         1,134,592         5/6/96         3:03p 

• mfcd40ud.pdb




   (Before)  Size: 1,159,168  Date: 2/27/96  Time: 11:05p
   (After)         1,159,168         5/6/96         3:27p 

To Patch the Files in the \Msdev Tree

1. Close all applications using MFC, including Microsoft Developer Studio.



2. Copy Patch.exe and Msdev41.rtp to your \Msdev Directory.



3. Run the command "patch msdev41" (without the quotation marks) at a

command prompt in that directory.

The files patched by Msdev41.rtp are:

• \bin\emn0n0.dll




   (Before)  Size: 100,112  Date: 2/16/96  Time: 4:59a  Version: 4.10.6038
   (After)         103,696        4/10/96        8:56p           4.10.6038 

• \mfc\src\dbrfx.cpp




   (Before)  Size: 65,181      Date: 1/30/96      Time: 9:10a
   (After)         65,183             4/8/96            4:38p 

• \mfc\lib\nafxcw.lib




   (Before)  Size: 6,652,314   Date: 2/27/96      Time: 10:12p
   (After)         6,652,314         4/25/96             4:57p 

• \mfc\lib\nafxcwd.lib




   (Before)  Size: 7,405,604   Date: 2/27/96      Time: 10:03p
   (After)         7,405,604         4/25/96             4:49p 

• \mfc\lib\uafxcw.lib




   (Before)  Size: 6,677,766   Date: 2/27/96      Time: 10:29p
   (After)         6,677,730          5/6/96             2:52p 

• \mfc\lib\uafxcwd.lib




   (Before)  Size: 7,437,480   Date: 2/27/96      Time: 10:21p
   (After)         7,437,480          5/6/96            2:43pm 

• \mfc\lib\nafxcw.pdb




   (Before)  Size: 569,344     Date: 2/27/96      Time: 10:12p
   (After)         569,344           4/25/96             4:57p 

• \mfc\lib\nafxcwd.pdb




   (Before)  Size: 577,536     Date: 2/27/96      Time: 10:03p
   (After)         577,536           4/25/96             4:48p 

• \mfc\lib\uafxcw.pdb




   (Before)  Size: 569,344     Date: 2/27/96      Time: 10:29p
   (After)         569,344            5/6/96             2:52p 

• \mfc\lib\uafxcwd.pdb




   (Before)  Size: 577,536     Date: 2/27/96      Time: 10:20p
   (After)         585,728            5/6/96             2:43p 

More Information

Several of the MFC files that will potentially get patched are optionally installed. You may get a message in the patch log stating that a particular file wasn't found and that is OK. If you didn't install the Unicode MFC libraries for instance, the patch program won't find them.

For any other potential problems and resolutions, please refer to the readme file in the patch.

Additional query words: mfc4.1 softlib fix

Keywords: kbenv kbfile kbpatch kbtool kbDatabase kbDebug kbide kbMFC kbODBC kbVC kbVC410
Issue Type: kbinfo
Technology: kbVCsearch kbAudDeveloper kbVC410