Hardcode user for helper.exe

[Tim S.]

I have an ASP.Net app call another program, "helper.exe",
on its same server. I want the helper.exe to always have a
user = Administrator (as opposed to the standard
aspnet_user inherited from the "parent" process that
called it).

Is there any way in the code to hardcode the user,
regardless of how that process is started (i.e. whether it
is run directly by the administrator, or called through
the System.Diagnostics.Process.Start( ) in an ASP.Net
page)?

Thanks for any help.
Tim