If you need more information on the app, choose Get Info instead.This will bring a pop-up showing its version, size, and last modified date. In Finder, right-click on the item, then select Quick Look from the context menu.When the Show in Finder option appears, click on it.Select the unknown or unrecognized application from the Login Items list and right-click on it.The simplest way to disable a program from launching on startup is from the Mac Dock especially, here's how to do it: How to stop apps from opening on startup in Mac using Dock Therefore, it's necessary for you to turn off those unwanted Mac startups. Some of them may be added to the startup by yourself, while others may not have your permission.Īdding some startup items that are frequently used can improve your work efficiency, however, too many startup items running behind the scene will eat up your MacBook's RAM, furthermore, resulting in your Mac running slow.

Startup items (aka login items), are programs and services that run in the background when you boot up your Mac. FAQs about how to stop programs from running at startup on Mac Mac startup programs not in login items, how to remove them? How to turn off Mac login items in System Preferences Our post offers how to stop apps from opening on startup on a Mac computer in 3 feasible ways, just keep reading to find which one suits your needs best. If you're annoyed about those unwanted Mac startup programs pop up on your Mac display and mess up your Mac desktop, you can simply disable them. Some of the active windows are from the app you frequently use while the others are from the programs you didn't open regularly. When you boot up your MacBook Air, MacBook Pro, or iMac, you may find there are too many app windows opened on your Mac screen.