The Boot Delay Vector
When you install certain applications on macOS—such as Spotify, Microsoft Teams, or various cloud storage clients—they frequently inject themselves into your system’s boot sequence without explicitly asking for permission. This means that every time you turn on your Mac, these applications aggressively force themselves to open the moment you log in. This behaviour not only clutters your desktop with unwanted windows but severely degrades your Mac’s startup speed as the hardware struggles to load multiple heavy applications simultaneously.
How to Stop Apps from Opening Automatically
You can revoke these startup privileges by managing your user account’s dedicated Login Items list.
1. Click the Apple Logo in the extreme top-left corner of the screen.
2. Select System Settings from the dropdown menu.
3. In the left-hand sidebar, click on General.
4. In the main pane, click on Login Items.
5. You will see a list titled “Open at Login.” This displays every single application authorized to launch automatically.
6. Click on the specific application you wish to disable (e.g., Spotify) to highlight it in blue.
7. Click the small grey minus (-) icon located immediately below the list.
The application will instantly vanish from the list. The next time you restart your Mac, it will boot significantly faster, and the application will remain completely dormant until you manually click its icon to launch it.