Windows 8 does not alert users to new Windows Updates like previous versions of Windows. Some people like Windows to "be quiet" and not alert them to updates for various reasons. For those of us who do rely on notifications to important Windows Updates this is a good free solution. Once I ran this software I was informed that I did indeed have 6 Windows Updates waiting to be downloaded and installed.
Be sure to look at the see the documentation page for install instructions and Screenshots.