>>>>>>>>>>>>>>>>>>>>>
>>You can get a copy of ReFox. It will encrypt the EXE so normal attempts to decompile it will fail.
>>
>>You can find it at Hallogram or http://www.xitech-europe.co.uk/ReFox.html.
>>>>>>>>>>>>>>>>>>>>>
>
>I believe (maybe wrong here) that Refox's encryption will only protect from another Refox, not something else.

Refox protects against anything else. Well, at least, I haven't heard someone who succeeded in decoding the code with a specific tool.