The Cluttered Startup
When you restart your Mac or turn it on in the morning, you likely want to be greeted by a clean, empty desktop, ready for a fresh day of work. Instead, macOS often automatically launches half a dozen applications—Safari, Mail, Calendar, and a stray Finder window—dumping them all onto your screen at once. This automatic restoration significantly slows down the boot process and forces you to spend your first few minutes manually closing windows you don’t immediately need.
How to Uncheck the Restart Dialog Box
The most common cause of this behavior is a tiny checkbox that appears right before the Mac shuts down.
1. Click the Apple logo () in the menu bar and select Restart… or Shut Down…
2. A confirmation dialog box will appear in the center of the screen.
3. Look closely at this box. There is a checkbox labelled Reopen windows when logging back in.
4. Uncheck this box before clicking the final Restart or Shut Down button.
macOS remembers this setting. If you uncheck it once, it should remain unchecked for all future restarts, ensuring your Mac boots with a clean slate.
How to Remove Apps from Login Items
If you unchecked the box, but specific applications like Spotify or Microsoft Teams continue to launch themselves automatically on startup, they have injected themselves into your user account’s “Login Items.”
1. Click the Apple logo () and select System Settings (or System Preferences).
2. Navigate to General in the left-hand sidebar.
3. Click on Login Items.
4. Look at the top list labelled “Open at Login.” These are the applications that have permission to force themselves open when you boot the computer.
5. Select any application you do not want automatically launching.
6. Click the small Minus (-) button directly beneath the list to remove it.
Note: Do not confuse this with the “Allow in the Background” list further down the page. Removing an app from the top list stops the window from appearing; turning off a toggle in the bottom list stops the app from running invisible background tasks (like checking for updates).