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16-Bit Programs Hang Using Dynamic Data Exchange

Article ID: 242283 - View products that this article applies to.

This article was previously published under Q242283

SYMPTOMS

A 16-bit Windows-on-Windows (WOW) subsystem may stop responding (hang) when you are running multiple Dynamic Data Exchange (DDE) programs.

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This behavior can occur if a 16-bit Windows-based program using DDE is terminated while a second 16-bit Windows-based program is enumerating the active DDE program list. This causes the second program to hang, stopping the whole WOW subsystem.

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RESOLUTION

Windows NT Server or Workstation 4.0

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:

Windows Service Pack Center
(http://windows.microsoft.com/en-US/windows/downloads/service-packs)
-or-
152734
(http://support.microsoft.com/kb/152734/EN-US/ )
how to obtain the latest windows nt 4.0 service pack

For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

(http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS)

Windows NT Server 4.0, Terminal Server Edition

To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734

(http://support.microsoft.com/kb/152734/EN-US/ )

How to Obtain the Latest Windows NT 4.0 Service Pack

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STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition Service Pack 6.

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