"Windows cannot unload your registry class file" error message when you log off from a Terminal Services session that is running on a Windows Server 2003 computer (833781)



The information in this article applies to:

  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Server 2003, Standard Edition
  • Microsoft Windows Server 2003, Enterprise Edition
  • Microsoft Windows Server 2003, 64-Bit Enterprise Edition


SYMPTOMS

When you log off from a Terminal Services session that is running on a Microsoft Windows Server 2003 computer, you may receive an error message that is similar to the following:
Windows cannot unload your registry class file. If you have a roaming profile, your settings are not replicated. Contact your administrator. DETAIL Access is denied. , Build number ((2195)).

CAUSE

This problem may occur if you have installed the MS03-026 security update, and Microsoft Windows Installer installs a program on the computer. The error message is caused by a registry handle leak in Windows Installer.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: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) 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	      Platform
   ---------------------------------------------------------------------------
   17-Dec-2003  21:04  2.0.3790.113     207,360  Msiexec.exe          IA-64
   17-Dec-2003  21:19  2.0.3790.113      69,120  Wmsiexec.exe         x86
   06-Dec-2003  01:17                       271  Branches.inf
   17-Dec-2003  21:29                    10,165  Kb833781.cat
   17-Dec-2003  21:23                       354  Updatebr.inf
   17-Dec-2003  21:23                     5,919  Update_rtmqfe.inf
After the hotfix is installed, the following files will have the listed attributes or later:
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   17-Dec-2003  21:19  2.0.3790.113       69,120  Msiexec.exe      
   06-Dec-2003  01:30                        271  Branches.inf
   17-Dec-2003  21:29                      9,812  Kb833781.cat
   17-Dec-2003  21:22                        354  Updatebr.inf
   17-Dec-2003  21:22                      5,649  Update_rtmqfe.inf

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" 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, 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


Modification Type:MinorLast Reviewed:10/28/2005
Keywords:kbHotfixServer kbQFE kbBug kbfix kbQFE kbWinServ2003preSP1fix KB833781 kbAudITPRO