If you bought directOS, here is the solution. Make the installer with DirectOS some lingo end a little bit FileIO.
I didn't test it for the mac yet. The most important functions must be working for the mac also.
--included function: making icon to desktop and in the programs folder (start menu)
--included function: putting an ico file on shortcut at the desktop
--included function: undo-install/
--included function: possible to remove readonly property of files
--included function: write registry for uninstallinig with add/remove windows 98/XP
1.Make the uninstaller with the uninstal behavior in a other movie
2.put the directOS xtra(runMode) on the right places
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