IIS 5.1 documentation contents not showing up

I have installed IIS 5.1 on my machine (WinXP SP2) without the documentation
initially. Now I need it, I've added it via Add/Remove Programs, and it
created a %SYSTEMROOT%\Help\iisHelp directory with all the help files in it.
I've created an iisHelp virtual directory which points there, but when I
open it in IE6, neither the tree-like documentation contents nor the index
do not work, the ActiveX's simply don't show up. Uninstalling IIS entirely
and installing it again didn't help. I've checked the permissions and it
seems like everything's fine... IIS Lockdown has been run once on this
system but undoing it doesn't change anything as well. The same for
performing a regsvr32 on hhctrl.ocx. Any ideas on how to make the contents
work?
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With best regards,
Vasiliy Faronov.

Sorry, a brief look over the newsgroup revealed a thread with the same
problem as mine. The procedures outlined in
http://support.microsoft.com/kb/892675 did help. Sorry again, I know I
should have done this before actually sending a message here
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With best regards,
Vasiliy Faronov.