Firefox automatically looks for updates to addons and notifies you about these whenever Firefox is started. Clicking continue every time is a bit of a pain however. Update Notifier makes Firefox update and install addons automatically with no user intervention. You can check for updates with a click from it’s icon and also restart Firefox from [...]

I love ccleaner and it came top of my computer and browser cleaners. What I love even more is the fact that you can put an icon on your desktop that will run ccleaner and then shut your computer down.