FREE PC Vulnerability Scanner

Keep all your PC software up to date with the FREE Secunia Personal Software Inspector (PSI). It scans your software for missing security updates and locates the necessary downloads for you. See: http://secunia.com/vulnerability_scanning/personal/

If you don't to install anything there is even an online version covering 100 third-party programs/plugins at: http://secunia.com/vulnerability_scanning/online/