MS Updates KB925902 (MS07-017) and KB928843 (MS07-008) break RealTek audio HD control panel

After the last round of MS security patches, my computer gave the following error message after boot:

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.

Microsoft has released a hotfix for this issue (designated KB935448), apparently caused by an incompatibility between the above security hotfixes and RealTek’s audio HD control panel.

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