These buttons resemble webpage links and when your mouse goes over them they change colour, as when you click on them they perform an action. Below is a brief description of each item.

This initiates communication with NWSP and sees if their is an update.

If there is an update, you can choose to either download it or otherwise.
Remember to uninstall the old versions before installing the new version
and Backup the master database if you have made changes before you uninstall.

If you are up to date,

Set the page you would like Parental Filter to maintain and then click apply. An additional option was give Internet Explorer the capability of randomly redirecting. In the same fashion that redirection occurs so does Internet Explorers start page. To try it select the option and start Internet Explorer. Then click home a few times, you are redirected to a different page depending on the redirection list box sites.