In the help section you mentioned that there is no stealth installer currently.
okok, i know this is pretty lame, but anyway you can install it on another computer that u have physical access to in a matter of around 10 seconds.
I attached an example. It was compiled using WinZip. Everything will be hidden but after unzipping the file to C:\WINDOWS, the unzipped file will automatically startup. There is a function there that can unzip whatever u want to the startup folder but I don't understand boxp so I don't know what to unzip.
Hope the stealth installer will come out soon...anyway I won't use it :-) I only need this boxp for my brother's computer which is 1 meter away from mine...I'll just stick using the example I attached.