Calling EnumObjects() Leaks a Selector (229670)


The information in this article applies to:

  • Microsoft Windows 98
  • Microsoft Windows 95
  • Microsoft Windows 98 Second Edition
This article was previously published under Q229670
If this article does not describe the error message that you are receiving, view the following Microsoft Knowledge Base article to view more articles that describe error messages:

315854 Windows 98 and Windows Me Error Message Resource Center

SYMPTOMS

A program that calls the Win32 EnumObjects() API function may eventually stop working, with the following error message:
Program name caused a General Protection Fault in module GDI.EXE.

CAUSE

The EnumObjects() function leaks a selector each time it is called. If enough calls are made during a particular session, the local descriptor table (LDT) can become exhausted. The computer must then be restarted.

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:
For Windows 95 versions 4.00.950 and 4.00.950A (Retail and OEM Service Release [OSR1]):

   Date       Time      Version    Size      File name
   ----------------------------------------------------
   04/16/99   10:11am   4.01.971   312,736   Gdi.exe
   04/16/99   10:11am   4.01.971   131,072   Gdi32.dll

For Windows 95 versions 4.00.950B and 4.00.950C (OSR2 and OSR2.5):


   Date       Time      Version     Size      File name
   -----------------------------------------------------
   04/16/99   11:12am   4.00.1112   331,872   Gdi.exe
   04/16/99   11:12am   4.00.1112   129,024   Gdi32.dll

For Windows 98 versions 4.10.1998 (Retail):

   Date       Time     Version     Size      File name
   ---------------------------------------------------
   08/20/99   7:16pm   4.10.1999   345,632   Gdi.exe
   08/20/99   8:03pm   4.10.1999   138,752   Gdi32.dll

For Windows 98 SE version 4.10.2222 (Second Edition):

   Date       Time      Version     Size      File name
   ----------------------------------------------------
   08/20/99   03:51pm   4.10.2223   345,648   Gdi.exe
   08/20/99   05:27pm   4.10.2223   138,752   Gdi32.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION

One situation in which this problem can occur is when a Microsoft Excel 97 VBA macro sets the PageSetup properties of a worksheet object hundreds of times. For additional information about this problem, please see the following article in the Microsoft Knowledge Base:

192869 OFF97: PageSetup Object Causes Memory Leak and Hangs System

For additional information about Windows 98 and Windows 98 Second Edition hotfixes, click the article number below to view the article in the Microsoft Knowledge Base:

206071 General Information About Windows 98 and Windows 98 Second Edition Hotfixes

For additional information about Windows 95 hotfixes, click the article number below to view the article in the Microsoft Knowledge Base:

161020 Implementing Windows 95 Updates

Modification Type:MinorLast Reviewed:10/18/2005
Keywords:kbHotfixServer kbQFE kbgpf kbprb KB229670
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