Here is a useful software version checker !

This neato utility comes from Secunia.com.

It's quite interesting what it shows about your software versions and can be run from the following link: 

http://secunia.com/software_inspector/

Feature Overview - The Secunia Software Inspector:
 * Detects insecure versions of applications installed
 * Verifies that all Microsoft patches are applied
 * Assists you in updating your system and applications
 * Runs through your browser. No installation or download is required.