Microsoft KB Archive/891566

= 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

Article Last Modified on 8/29/2007

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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

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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:

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 MS04-032: Security update for Microsoft Windows



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.



RESOLUTION

 * Microsoft Windows XP
 * Microsoft Windows 2000

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

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

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

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

Hotfix information
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.

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



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



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 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 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbqfe kbhotfixserver kbwin2000presp5fix kbwinxpsp2fix kbwinxppresp2fix kbfix kbbug KB891566

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