ESP Projects Ltd: IT Support - Sheffield

When you start a computer that is running Microsoft Windows XP with Service Pack 2, certain third-party applications may not start. Additionally, you may receive the following error message:

application_executable_name - 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 following third-party applications are installed:

• Realtek HD Audio Control Panel
• ElsterFormular 2006/2007
• TUGZip
• CD-Tag

Microsoft have released a fix for this problem. Simply download the file and run it on the affected computer.
Get the fix here.