This is a popup menu which allows you to define extension sets. You can also enable and disable whole sets using this menu. This is the author's name. Ricardo is a cool dude who makes utilities like this one just for fun. Use this button to get some information about this utility. Click here to enable all of the extensions. Click here if you want to disable all of the extensions (excluding Extensions Manager). This is the list of extensions installed in your Macintosh. Highlited extensions are loaded when the Mac starts up. To enable or disable an extension click on its name. Click here to get the original configuration (undo changes made so far). Click on this button to access Extensions Manager options and to configure special types of extensions.