Certain programs may not start, and you receive an error message on a computer that is running Windows XP Service Pack 2: "Illegal System DLL Relocation"
Symptoms of the problem
The system DLL user32.dll was relocated in memory. The application will not run properly. The relocation occurred because the DLL C:\Windows\System32\Hhctrl.ocx occupied an address range reserved for Windows system DLLs. The vendor supplying the DLL should be contacted for a new DLL.
Steps to resolve the problem
To resolve this problem, follow these steps:
- Install all important updates from the following Microsoft Web site:
- Try to run the program that did not start again. If the program starts and if you do not receive the error message in the "Symptoms of the problem" section, you are finished. If the error continues, follow steps 3 through 5.
- Visit the following Microsoft Web site:
- Click Download, and then click Run. If the Download button is not available, you must first click Validate to validate your copy of Windows.
- Follow the instructions that appear on the screen to install update 935448.
Similar problems and solutions
Note This is not a problem with AVG Anti-Virus Control Center or with Windows. This problem is not resolved when you install update 935448.
More information for advanced users
Cause of the problemThe Hhctrl.ocx file that is included in security update 928843 and the User32.dll file that is included in security update 925902 have conflicting base addresses. This problem occurs if a program loads the Hhctrl.ocx file before the program loads the User32.dll file. Microsoft has confirmed that this problem affects the following third-party applications.
|Realtek HD Audio Control Panel||1.41, 1.45, 1.49, 1.57||Realtek Semiconductor Corporation|
|Suunto Ski Manager||1.0.2, 1.1, 1.2||Suunto|
|BMC PATROL||7.1||BMC Software, Inc|
- If you receive a similar message when you use another program, install the update that is mentioned in this article. If we confirm that other programs are affected by this problem, we will update this article with more information.
- This problem does not occur with version 1.64 of the Realtek HD Audio Control Panel.
Update deployment informationTo resolve this problem, use one of the following methods, as appropriate for your situation.
Important Windows Update and Microsoft Update only detect the affected versions of Realtek HD Audio Control Panel, ElsterFormular, TUGZip, and CD-Tag. However, other programs are affected by this problem. Therefore, if update 935448 is not installed on the computer by using Method 1 or by using Windows Server Update Services (WSUS) in Method 2, use Method 3.
Method 1: Install update 935448 by using Automatic Updates or by using Microsoft Update
To use Microsoft Update, visit the following Microsoft Web site:
Method 2: Deploy update 935448 in an enterprise by using Windows Server Update Services (WSUS) or Microsoft Systems Management Server (SMS)
IT professionals can use WSUS or SMS to deploy this update in an enterprise. For more information about WSUS or SMS, visit the following Microsoft Web sites:
Method 3: Install update 935448 from the Microsoft Download Center
The following file is available for download from the Microsoft Download Center:
Download the 935448 package now.
Release Date: April 3, 2007
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
Security update 928843 (MS07-008) and update 935448 contain Hhctrl.ocx files that have the same version number. If you install security update 928843 (MS07-008) after you install update 935448, you must reinstall update 935448.
To apply this hotfix, you must have Windows XP Service Pack 2 (SP2) installed on the computer.
To install this update without requiring any user intervention and without restarting the computer, administrators can use the following command:
The English version of this update 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.
For Service branch SP2GDR
Verify that the update is installed
To verify that this update is installed, use the following methods:
- Method 1: Compare the version of the file that is installed on your computer to the version that is documented in the "File information" section.
- Method 2: Verify the files that this update installed by reviewing the following registry subkey:Note This registry subkey may not contain a complete list of the installed files. Also, this registry subkey may not be created correctly if an administrator or an OEM integrates or slipstreams the update into the Windows installation source files.HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows XP\SP3\KB935448\Filelist
To remove this security update, use the Add or Remove Programs item in Control Panel. Administrators can also use the Spuninst.exe utility to remove this security update. The Spuninst.exe utility is located in the following folder:
Status of the problemMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
ReferencesFor more information about security update 925902 (MS07-017) and security update 928843 (MS07-008), click the following article numbers to view the articles in the Microsoft Knowledge Base:
|April 20, 2007||The following changes were made to this article:|
|April 18, 2007||The following changes were made to this article:|
|April 12, 2007||The following changes were made to this article:|
|April 10, 2007|
|April 6, 2007||Updated the "Symptoms" section to include information about additional programs that are affected by this problem. Microsoft has confirmed that this problem affects ElsterFormular (made by Elster), versions 2006 and 2007, TUGZip (made by Christian Kindahl), and CD-Tag (made by Claremont Software).|
|April 3, 2007||Updated the "Resolution" section to include information about the availability of this update on the Microsoft Download Center.|
|April 3, 2007||Originally published this article to document the problem that affected Realtek HD Audio Control Panel and the availability of a hotfix.|
Article ID: 935448 - Last Review: 05/21/2014 16:36:00 - Revision: 9.1
- atdownload kbwinxpsp3fix kbfix kbbug kbqfe KB935448