How to disable "sharepoint services" during Office 2007 inst

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I need to install Office 2007 in Vista without sharepoint services. Although I set "Windows sharepoint services support" to "Not available" it always being installed. If run Office installer once again to check the installed features, "sharepoint services support" are always displayed selected and installed. Disabling them again didn't help.

I wonder if it's a dependency issue or something else; I've reinstalled Vista and Office 2007 from scratch but still have the same problem.

What can I do to prevent those damned "sharepoint services" from being installed?

Thanks.