From: Robert Comer 

Thanks for posting this, it made it easy for me to answer a question by one
of the guys in another plant!

--
Bob Comer 


On Tue, 3 Apr 2007 16:29:29 -0400, "Rich Gauszka"
 wrote:

>
> http://support.microsoft.com/kb/935448/en-us
>
>SYMPTOMS
>
>When you start a computer that is running Microsoft Windows XP with Service
>Pack 2, the Realtek HD Audio Control Panel may not start. Additionally, you
>may receive the following error message:
>Rthdcpl.exe - Illegal System DLL Relocation
>
>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.
>
>This problem occurs when the Realtek HD Audio Control Panel (Rthdcpl.exe) by
>Realtek Semiconductor Corporation is installed.
>
>CAUSE
>This problem may occur after you install security update 925902 (MS07-017)
>and security update 928843 (MS07-008). The 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 the program loads the Hhctrl.ocx file before it loads the User32.dll
>file.
>
>RESOLUTION
>
>Hotfix information
>A supported hotfix is now available from Microsoft. However, it is intended
>to correct only the problem that is described in this article. Apply it only
>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 XP service
>pack that contains this hotfix.
>
>To resolve this problem immediately, contact Microsoft Customer Support
>Services to obtain the hotfix. For a complete list of Microsoft Customer
>Support Services telephone numbers and information about support costs,
>visit the following Microsoft Web site:
>
>http://support.microsoft.com/contactus/?ws=support
>(http://support.microsoft.com/contactus/?ws=support)
>

--- BBBS/NT v4.01 Flag-5