A very useful tool from MS for checking you system
Microsoft Baseline Security Analyzer (MBSA) 2.0 is an easy-to-use tool that helps small and medium businesses determine their security state in accordance with Microsoft security recommendations and offers specific remediation guidance. Improve your security management process by using MBSA to detect common security misconfigurations and missing security updates on your computer systems. Built on the Windows Update Agent and Microsoft Update infrastructure, MBSA ensures consistency with other Microsoft management products including Microsoft Update (MU), Windows Server Update Services (WSUS), Systems Management Server (SMS) and Microsoft Operations Manager (MOM). Used by many leading third party security vendors including Tivoli, Patchlink and Citadel, MBSA on average scans over 3 million computers each week. Join the thousands of users that depend on MBSA for analyzing their security state.
Microsoft Baseline Security Analyzer | Download (~1.2MB)