How to Protect an Exe File from Decompilation

Question

What are the methods for protecting an Exe file from Reverse Engineering.Many Packers are available to pack an exe file.Such an approach is mentioned in http://c-madeeasy.blogsp

Answer 1

Decompilation is always possible. The statement

This threat can be eliminated to extend by packing/compressing the executable(.exe).

on your linked site is a plain lie.