It is a well known fact that .Net assemblies (EXE and DLL files) created by Visual Studio(TM) can be reverse engineered with tools like Reflector(TM). It is not difficult for a cracker to decompile your assembly, change the logos, by-pass any copy protection technique you might have used.
This leads to loss of revenue and also exposes your code to your competitors.
With GillSoft .Net Assembly Obfuscator you can make reverse-engineering of your products difficult.
Please go through the Features section to see all the safety measures provided by GillSoft Obfuscator.
By using all the features mentioned in the features section, you can prevent reverse-engineering of your code to the maximum level.