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16-bit Programs that Call to GlobalAlloc for Large Memory Allocations Cause Programs to Hang


The information in this article applies to:
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server


SYMPTOMS

16-bit programs that use the GlobalAlloc() API call for multiple large (1.5 to 8 megabyte) memory allocations in succession can cause programs to stop responding (hang).


CAUSE

This problem can occur when 16-bit DPMI memory management cross-references selectors during memory allocation.


RESOLUTION

A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article and should be applied only to systems experiencing this specific problem. This fix may receive additional testing at a later time, to further ensure product quality. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows 2000 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp
NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal 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:
   Date        Time    Version        Size     File name
   -----------------------------------------------------
   02/12/2001  3:41PM  5.0.2195.3250  395,024  Ntvdm.exe 


STATUS

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


MORE INFORMATION

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

Q249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Additional query words:

Keywords : kbenv kbtool kbWin2000PreSP2Fix kbWin2000PreSP3Fix
Issue type : kbbug
Technology : kbwin2000AdvServSearch kbwin2000Ssearch kbwin2000ProSearch kbWinAdvServSearch


Last Reviewed: February 28, 2001
© 2001 Microsoft Corporation. All rights reserved. Terms of Use.


Article ID: Q288165

Last Reviewed:
February 28, 2001

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