"No such interface supported. (0x80004002)" error message when you use Microsoft Baseline Security Analyzer to download the Mssecure.cab security update

This problem may occur if download managers (such as Download Express or GetRight) are installed on the computer. Download managers may affect the ability of MBSA to download the Mssecure.cab security update. MBSA does not download the Mssecure.cab security update if MBSA calls the URLDownloadToFile() API from a COM object.

When you install download managers on your computer, protocol namespace handlers are installed in the registry. The MBSA call to the API is not successful if MBSA calls from a COM object when protocol namespace handlers are installed in the registry.

Note To verify whether namespace handlers are installed in the registry, follow these steps:

1. Click Start, click Run, and then type regedit in the Openbox.
2. On the Edit menu, click
   Find, type Name-Space Handler in the
   Find What box, and then click Find Next.
   
3. Expand the Name-Space Handler key, and then look for the following key: HKEY_CLASSES_ROOT\PROTOCOLS\Name-Space Handler\http.