The Preferences pane gives you options to auto-start the app when you are starting up your computer.
You can also access all the features from this menu. Cleaner’s Preferences, you can click on the Gear icon at the top left of the window. After you get the result, you can go through the list, select the one(s) that you want to delete, delete them by clicking the “Remove” button, and confirm the items from the pop-up list.