Ten Free Must-Have Security Tools - Secunia Personal Software Inspector
eWEEK's Ryan Naraine puts together a list of 10 free must-have consumer security utilities to help keep hackers at bay.
Secunia Personal Software Inspector
The Secunia PSI examines .exe, .dll, and .ocx files on your computer and matches the data against a file signatures engine to determine whether you are running unpatched software programs. It then provides help in patching the vulnerabilities that are identified.
Download link: https://psi.secunia.com/