Press and hold the Shift key while opening the app. This doesn't change any settings, but the app forgets any windows that were open the last time you quit the app. Start up in safe mode, then restart normally. This doesn't change any settings, but your Mac forgets any apps and windows that were open the last time you logged out or restarted
If you want to stop a launch item from running without your having to restart, open the Terminal app and type launchctl unload followed by a space and the full path to the launch item. For example
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Command-click or right-click on the app icon in your Dock. Hover your mouse over Options. Select Open at Login. It’s as easy as that! When you select Open at Login, a checkmark will display next to that option under the Options menu. If you want to stop the app from opening at login, just follow the exact same steps again to remove the checkmark.Time needed: 1 minute. Follow the steps below to change macOS startup apps. Click the Apple Menu > System Settings (or System Preferences). Click General > Login Items. From here you can add or Follow these steps to create a keyboard shortcut for your new service. Open the Apple menu and choose System Preferences. Click Keyboard. Click Shortcuts. On the left, click Services. Scroll down to the service you created, and click to select it. Click Add Shortcut. A text box opens. YECT.