When you turn on your Mac, various apps, add-ons, and invisible background processes start running all by themselves. This is usually what you want, but you may sometimes see items running that you don’t recall adding yourself. Where do they come from?
Sometimes these processes and apps can cause problems, and you need to remove them for your Mac to behave normally. And even if there’s not a problem, such items can increase your Mac’s startup time and may decrease performance, you’ll want to make sure your Mac is loading only items that are useful to you.
Here’s a quick primer on the various kinds of startup and login items and how to manage
