Scan your PC for common vulnerabilities | ICT Security Tools | Scoop.it
From net-security.org - November 2, 2011 10:34 AM

The Secunia Online Software Inspector, or short OSI, is a fast way to scan your PC for the most common programs and vulnerabilities, thus checking if your PC has a minimum security baseline against known patched vulnerabilities.

 

More info here: http://knol.google.com/k/gust-mees/pc-security-howto-secure-my-pc/vdujwtjyx3uq/170#