Internet Information Sevices console

When I clicked Control Panel - Administrative Tools – Internet Information
Services – Help – Help Topics the Microsoft Management Console was pop-up
with the following error: Microsoft Management Console has encountered
problem and needs to close. …
When I clicked error link the following information was presented:
Error signature:
AppName: mmc.exe AppVer: 5.1.2600.2180.

I would be very grateful for any help.

bnny