I went on the premise that nothing connected with MS Windows is intuitive and eventually found the answer.

The 'Microsoft® HTML Help Executable' is really hh.exe in the Windows directory. That...

Whatever is on my Windows Vista works with the .chm files I have. I just want to know what the darn thing is actually called, for instance 'something.exe' rather than the nebulous 'Microsoft® HTML...

I can run the .chm files just fine by double clicking on them. I have a program that allows me to run a specific .chm help file, but I have to give it the actual executable for the .chm file.
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What Windows Vista program runs the Compiled HTML Help Files (.chm)? Under properties only a meaningless descriptor shows up.