Many users of Windows XP, Windows 2000 and Windows Server 2003 have had problems when trying to access the Windows Update site.
BTW, this error is not the only error message one might receive while trying to scan, download or install Hotfixes from the Windows Update site. Here is my current list of other Windows Update error codes and their respective solutions:
When you try to use Microsoft Internet Explorer to update Windows from the Microsoft Windows Update Web site you may receive the following error message:
To resolve this problem, follow these steps:
in the Open box, and then click OK. When you receive the RegSvr32 confirmation that the DllRegisterServer function succeeded, click OK.
regsvr32 Oleaut32.dll regsvr32 Ole32.dll regsvr32 Urlmon.dll regsvr32 Mssip32.dll
If you still experience the problem, remove the Windows Update Setup Files folder.