Zprotect Professional

From PEGuard Technologies:

Zprotect is a next generation software protection system. It is designed to protect your software against cracking and reverse engineering! It uses state-of-the-art encryption, data compression, virtual machine technology and other revolutionary features to achieve its goals making it very difficult to break using traditional and latest cracking tools and schemes. It allows you to add a complete software protection and registration-key system to your existing programs in five minutes or less without you having to change your source code! Compared to other traditional software protection systems Zprotect pays more attention to code processing.

Version 1.4.8 adds a new feature to process exceptions, and software marker option.