You can no longer enumerate 16-bit programs that run in separate NTVDMs after you apply the security update that is mentioned in Microsoft Security Bulletin MS04-032 on a computer that runs Windows XP or Windows 2000

Article ID: 891566 - View products that this article applies to.
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SYMPTOMS

After you apply the security update that is mentioned in Microsoft Security Bulletin MS04-032 on a computer that is running Microsoft Windows XP or on a computer that is running Microsoft Windows 2000, you experience the following symptom. You can no longer enumerate 16-bit programs that are configured to run in separate NT Virtual DOS Machines (NTVDMs).

Note This problem occurs only if you set the following registry value to yes:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WOW


Value name: DefaultSeparateVDM
Value type: REG_SZ
Value data: no (default)
For additional information about Microsoft Security Bulletin MS04-032, click the following article number to view the article in the Microsoft Knowledge Base:
840987
(http://support.microsoft.com/kb/840987/ )
MS04-032: Security update for Microsoft Windows
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CAUSE

This problem occurs because of the security changes that are included in the security update that is mentioned in Microsoft Security Bulletin MS04-032. This security update no longer allows for the enumeration of 16-bit programs that run in separate NTVDMs.
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RESOLUTION

Microsoft Windows XP

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
Prerequisites
You must have the security update that is mentioned in Microsoft Security Bulletin MS04-032 installed to apply this hotfix.
Restart requirement
You must restart your computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   03-Feb-2005  23:23  5.1.2600.2606      52,736  Basesrv.dll

Microsoft Windows 2000

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
Prerequisites
You must have the security update that is mentioned in Microsoft Security Bulletin MS04-032 installed to apply this hotfix.
Restart requirement
You must restart your computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   01-Feb-2005  03:49  5.0.2195.7026      46,352  Basesrv.dll      
   21-Sep-2003  00:45  5.0.2195.6824     236,304  Cmd.exe          
   17-Jun-2004  23:05  5.0.2195.6945     231,184  Gdi32.dll        
   17-Jun-2004  23:05  5.0.2195.6946     712,464  Kernel32.dll     
   24-Mar-2004  02:17  5.0.2195.6898      37,136  Mf3216.dll       
   24-Mar-2004  02:17  5.0.2195.6824      54,544  Mpr.dll          
   17-Jun-2004  23:05  5.0.2195.6928     335,120  Msgina.dll       
   24-Mar-2004  02:17  5.0.2195.6892      90,264  Rdpwd.sys
   28-Jan-2005  05:49  5.0.2195.7023   6,282,752  Sp3res.dll       
   24-Mar-2004  02:17  5.0.2195.6897     403,216  User32.dll       
   05-Aug-2003  22:14  5.0.2195.6794     385,808  Userenv.dll      
   10-Aug-2004  03:51  5.0.2195.6966   1,632,624  Win32k.sys
   24-Aug-2004  22:59  5.0.2195.6970     182,544  Winlogon.exe     
   17-Jun-2004  23:05  5.0.2195.6946     244,496  Winsrv.dll       
   17-Jun-2004  23:05  5.0.2195.6946     712,464  Kernel32.dll     
   10-Aug-2004  03:51  5.0.2195.6966   1,632,624  Win32k.sys
   17-Jun-2004  23:05  5.0.2195.6946     244,496  Winsrv.dll
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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MORE INFORMATION

For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915
(http://support.microsoft.com/kb/816915/ )
New file naming schema for Microsoft Windows software update packages
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/824684/ )
Description of the standard terminology that is used to describe Microsoft software updates
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Properties

Article ID: 891566 - Last Review: August 29, 2007 - Revision: 2.2
APPLIES TO
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Advanced Server
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbwin2000presp5fix kbwinxpsp2fix kbwinxppresp2fix kbfix kbbug KB891566
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