The HTTP Filter DLL filename failed to load. The data is the error.
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The Registry entry for this dynamic-link library (DLL) might be corrupted, or the DLL might not be stored in the correct directory.
Verify that the DLL is in the correct directory. If it is, try removing the Registry entry for the DLL, and then stop and restart the computer. Then add the DLL entry back to the Registry, and try again. For information on how to edit the Registry entry, query article Q150312 in the Microsoft Knowledge Base. If you continue to receive this message, try removing and reinstalling the Internet Information Services Manager. Also, query article Q152054.