Where to find and disable startup apps on your computer
Most operating systems let you see which programs launch when you turn on your computer, and you can turn off the ones you don't need. On Windows, the Task Manager shows your startup list. On Mac, System Settings holds the Login Items section. On Linux, the method depends on your desktop environment, but GNOME and KDE both have startup application managers built in.
The goal is simple: fewer programs running at startup means your computer boots faster and uses less memory while you work. Some apps add themselves to startup without asking. Others you installed intentionally but no longer use. Either way, you control what launches.
Key Takeaways
- Windows Task Manager's Startup tab shows every program set to launch at boot, and you can disable them one by one without uninstalling.
- Mac users find Login Items in System Settings under General, where you can remove apps from the startup list by selecting them and clicking the minus button.
- Disabling a startup app does not uninstall it — the program stays on your computer and you can still open it manually whenever you want.
- Some apps like antivirus software and system utilities should stay enabled at startup, while cloud sync apps and messaging services are usually safe to disable.
How to disable startup apps on Windows
Open Task Manager by pressing Ctrl+Shift+Esc, or right-click the taskbar and select Task Manager. Click the Startup tab at the top. You will see a list of programs with a Status column showing Enabled or Disabled.
Right-click any app you want to stop at startup and select Disable. The status changes immediately, and that app will not launch the next time you restart. You can re-enable it the same way if you change your mind. Task Manager also shows an Impact column — High, Medium, or Low — which estimates how much each program slows your boot time.
Do not disable anything you are unsure about. Windows system processes and security software should generally stay enabled. If you disable something and your computer behaves oddly after restart, go back to Task Manager and re-enable it.
How to disable startup apps on Mac
Click the Apple menu and select System Settings. Go to General, then click Login Items on the left side. You will see two sections: Allow in the Login Items and Allow in the Finder Sidebar.
In the Allow in the Login Items section, select any app you want to remove and click the minus button below the list. The app disappears from the list and will not launch at startup. If you want to add an app back later, click the plus button and navigate to it in your Applications folder.
Some apps may also appear under Allow in the Finder Sidebar — these are separate from startup apps and control what shows in your Finder window. You can manage those independently if you want.
How to disable startup apps on Linux
The process varies by desktop environment. On GNOME, open Activities, search for Startup Applications, and open it. You will see a list of programs set to launch at boot. Select one and click Remove to stop it from starting automatically.
On KDE Plasma, go to System Settings, then Startup and Shutdown, then Autostart. You will see folders for different types of startup programs. Click the folder for applications, select the one you want to remove, and delete it. Some distributions also let you manage startup apps through the Settings menu under Applications or System.
If you are using a different Linux desktop environment, check your distribution's documentation, as the location and name of the startup manager can differ.
Which apps are safe to disable
Cloud storage apps like Dropbox, OneDrive, and Google Drive can usually be disabled at startup without problems — they will sync when you open them. Messaging apps like Slack, Discord, and Teams are safe to disable unless you need notifications while your computer is off. Cryptocurrency miners, game launchers, and media players are almost always safe to turn off.
Keep enabled: antivirus and security software, Windows Defender or equivalent, graphics driver utilities if you use them regularly, and any hardware-specific tools for printers or external devices you use daily. If an app came with your computer and you do not recognize it, search for its name online before disabling it — some are legitimate system utilities.
A good rule: if you do not use the app every day, it probably does not need to start automatically. You can always open it manually when you need it.
What happens when you disable a startup app
Disabling a startup app does not uninstall it or delete any files. The program stays on your computer exactly as it was. You can still open it by clicking its icon, searching for it, or finding it in your Applications folder. The only change is that it no longer launches automatically when you turn on your computer.
If you disable an app and later realize you want it to start automatically again, you can re-enable it through the same menu. There is no penalty for changing your mind, and you can disable and re-enable apps as many times as you want.
How to check if disabling apps actually helped
Restart your computer and pay attention to how long it takes to reach the desktop and become responsive. If you disabled several heavy apps, you should notice a difference — your computer will be ready to use sooner, and programs will open faster because more memory is available.
You can also open Task Manager or Activity Monitor (on Mac) while your computer is idle and check how much memory and CPU are in use. If the numbers are lower than before, your changes worked. If you disabled something and performance got worse instead of better, re-enable it — some apps may be necessary for your workflow even if they slow startup slightly.
Frequently Asked Questions
Will disabling startup apps make my computer faster overall?
Disabling startup apps makes your computer boot faster and frees up memory when you first log in. Whether you notice a difference in everyday speed depends on how many heavy apps you disabled and how much RAM your computer has. If you disabled five lightweight apps, the change may be small. If you disabled a large program like a video editor or database tool, the difference will be noticeable.
Can I disable Windows system processes from startup?
You can, but you should not unless you know exactly what a process does. Many Windows system processes are necessary for your computer to work correctly. If you are unsure whether something is safe to disable, leave it alone. Stick to disabling programs you installed yourself or recognize as third-party software.
What if I disable an app and my computer stops working properly?
Restart your computer, open Task Manager or System Settings, and re-enable the app you disabled. Your computer should return to normal. If the problem persists, restart again and check that the app is actually re-enabled. If you disabled multiple apps at once, re-enable them one at a time to figure out which one caused the issue.
Do I need to restart my computer for changes to take effect?
Yes. Disabling a startup app in Task Manager or System Settings takes effect the next time you restart your computer. The app will continue to run during your current session if it is already open, but it will not launch automatically after you shut down and turn back on.
Can I disable startup apps on my phone or tablet?
On Android, you can disable apps through Settings by going to Apps, selecting an app, and choosing Disable or Uninstall. On iPhone and iPad, you cannot disable individual apps from starting up — iOS manages background app refresh automatically. You can turn off background refresh for specific apps in Settings under General, Background App Refresh if you want to save battery.