Microsoft releases security updates every month. Apart from these security updates we also install Hotfix and Looking through add/remove windows Programs becomes difficult at times.
This would be very useful if you would like to know what patches have been installed on the server.
wmic qfe list full /format:htable >C:\WindowsPatches.htm
This works on windows server 2003, windows Server 2008 and windows Server 2008 R2,Windows7 and Windows8.
Looks something like this on Windows 8