Secunia PSI 3.0 Beta Released

 The Secunia Personal Software Inspector (PSI) Beta is a free security scanner that identifies vulnerabilities in non-Microsoft (third-party) programs which can expose PCs to attacks. 

Key features: 
Identifies missing security updates on your PC
Covers programs and plug-ins from thousands of vendors
Extended automatic update using the Secunia Package System Dramatically simplified user interface

Download: secunia.com