>>A *.chm file opens with the command %systemroot%\hh.exe %1
>>On my Windows 2000 machine this is in C:\Winnt\. An open file call should >launch it with no problem. You can also place hh.exe in a folder and do a >RUN command pointing to "hh.exe some_location\myhelp.chm"
>
>This works OK. But I'm wondering why on my machine it is not necessary. For example, the code I use is:
>set help to myhelp.chm
>set help on
>help
>
>Why doesn't this work on the client's machine?

Where is hh.exe on the target machine? It has to be in the path or called explicitly. Do other help files on the target machine launch OK?