Microsoft KB Archive/827825

= &quot;Windows cannot unload your registry class file&quot; error message when you log off Terminal Services =

Article ID: 827825

Article Last Modified on 2/22/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
When you log off Terminal Services, you may receive the following Event ID 1000 event message: Event Type: Error

Event Source: Userenv

Event Category: None

Event ID: 1000

Description:

Windows cannot unload your registry class file. If you have a roaming profile, your settings are not replicated. Contact your administrator.

Details:

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Access is denied

This problem may occur after Microsoft Windows Installer installs a program on the computer.



CAUSE
This problem occurs because of a registry handle leak in Windows Installer. This problem was first exposed after the installation of the MS03-026 security update.



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
No prerequisites are required.

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 --  29-Dec-2004  13:22  2.0.2600.1534   2,018,304  Msi.dll 20-Sep-2003 19:23  2.0.2600.1267      64,512  Msiexec.exe 29-Dec-2004 13:22  2.0.2600.1183     305,664  Msihnd.dll 29-Dec-2004 13:22  2.0.2600.1183     847,872  Msimsg.dll 20-Sep-2003 19:23  2.0.2600.1183      39,936  Msisip.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 the MS03-26 security update, click the following article number to view the article in the Microsoft Knowledge Base:

823980 MS03-026: Buffer overrun in RPC may allow code execution

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

Additional query words: profile does not unload unloaded Event ID: 11728 MsiInstaller

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe kbwin2000presp5fix KB827825

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