PELock

PELock is a software security solution designed for the protection of any 32 bit Windows applications.

PELock is a software security solution designed for the protection of any 32 bit Windows applications against cracking, tampering and reverse engineering analysis. PELock comes with a built-in licensing system, which you can use to easily add a license key system to your application. You can also set various time-trial limitations for the protected application.