The Secunia security site has a useful tool called PSI or Secunia Personal Software Inspector that can be used to scan a Windows system for security vulnerabilities. These include both system and application vulnerabilities. This is important as with the increase in the security of the OS (through the better release and patching of Windows OS vulnerabilities), malicious people are now turning to application vulnerabilities in order to compromise a system. On the Secunia Watchdog blog they publish some statistics that have been captured with the PSI tool which include the worry fact that 95% of systems that have been scanned have included at least 1 insecure application.
The tool is well worth trying as not only will it report on the vulnerabilities that might exist on your system, but it also includes details and links to instructions and updates necessary to fix the insecurity. Download it now.
