Microsoft KB Archive/921296

= All program update information is removed when you use the Msizap.exe tool to uninstall a program from a Windows-based computer =

Article ID: 921296

Article Last Modified on 10/11/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
 * Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
 * Microsoft Windows Server 2003, Datacenter x64 Edition
 * Microsoft Windows Server 2003, Enterprise x64 Edition
 * Microsoft Windows Server 2003, Standard x64 Edition
 * Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Web Edition
 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional
 * Microsoft Windows XP Tablet PC Edition
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Datacenter Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Server

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SYMPTOMS
After you use the Windows Installer Zapper (Msizap.exe) tool to uninstall a program, the update information for all the programs on the computer is removed. Therefore, programs that you have already updated may appear to require the same updates again. Or, updated programs may no longer work as expected.

You experience this problem if the following conditions are true:
 * You use version 3.1.4000.2508 of the Msizap.exe tool or an earlier version of Msizap.exe.
 * You uninstall a program that was updated through the Windows Installer program.

Note Although you can run the Msizap.exe tool as a stand-alone command-line tool, Msizap.exe is also included in other utilities. These include the following:  The Windows Installer Cleanup Utility For more information, click the following article number to view the article in the Microsoft Knowledge Base:

290301 Description of the Windows Installer CleanUp Utility

 The Windows Support Tools

To install the Microsoft Windows Server 2003 Support Tools, double-click Suptools.msi in the Support\Tools folder on the Microsoft Windows Server 2003 CD.



CAUSE
This problem occurs because, when you use the Msizap.exe tool to uninstall a program that has been updated, Msizap.exe deletes the following registry subkeys:

These subkeys contain update information for all updated programs on the computer. Therefore, when these subkeys are deleted, update information is removed for all updated programs on the computer.



RESOLUTION
To resolve this problem, install the updated version of the Msizap.exe tool.

Note Although this hotfix was created for Windows Server 2003, you can also run Msizap.exe in Microsoft Windows XP and in Microsoft Windows 2000.

Service pack information
To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

Prerequisites
No prerequisites are required.

Restart requirement
You do not have to 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 item in Control Panel.

Hotfix installation information
This hotfix extracts the updated version of the Msizap.exe file to a folder on the computer. Copy this file to the computer on which you want to run Msizap.exe.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Microsoft Windows Server 2003 Service Pack 2.



MORE INFORMATION
For more 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: kbbug kbfix kbqfe kbpubtypekc kbhotfixserver kbwinserv2003presp2fix kbwinserv2003sp2fix KB921296

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