What do you mean by it doesn't work? Do you mean that help doesn't appear when the user presses F1? If so, look at this link on Microsoft's site: http://support.microsoft.com/support/kb/articles/q194/1/96.asp
There are some files needed to run HTMLHelp from within FoxPro.

Jonathan

>Hello there,
>
>I made for my application a Html Help in Doc-to-help.
>This Help I implemented in the application and it can be opened by pressing F1.
>
>Now the problem is that it works on some computers and on some computers not.
>
>I already heared that you need IE 3.x to us the help, but it still doesn't work.
>
>Does anybody know what else it can be!!
>
>Already Thanks
>Wiebe
>Gamma Research Inc.