>>Unfortunately, the EXE produced by the Setup Wizard doesn't support any command line switches to do this. So that's the suggestion. Allow the EXE to support at least the /Q parameter for quiet installation.
>
>That would be a very handy switch. Do we want to be concerned about Restarts, though?

I thinking about this portion of the problem, the launcher would stick a shortcut link to itself in the Startup group. The main program could then check for the presence of this, and delete it if found. Beyond that, I hadn't considered.