Those would be the only files that you need to include in your ISX project. The other files are just to run the installation process from HHUPD.EXE

>Mark, thank you for reply.
>
>I ran
>
>hhupd.exe /T:c:\distdir /C
>
>and got a 39 files with total size 1.3 MBytes (including 28 .INF files)
>
>Must I add them all to ISX_LE project ?
>or is it sufficient to add hhctrl.ocx, itird.dll, itss.dll, and hh.exe
>files ?
>
>Thera are also advpack.dll and mui.cab files extracted. What is the purpose of those files ?