Windows 11 Startup Apps: How to Stop Programs Opening Automatically

Two Places to Turn Off Startup Apps

Windows 11 offers two built-in routes to the same setting, and either one gets the job done. Settings > Apps > Startup gives a simple list of toggles. Task Manager's Startup Apps tab shows the same list but adds a genuinely useful "Startup impact" column that tells you which apps are actually slowing your login down, rather than just which ones are set to launch.

For a quick toggle or two, Settings is fine. For actually deciding what to cut, Task Manager's impact ratings make the decision much easier — you're not guessing which app is the problem, Windows tells you.

Disable Startup Apps From Task Manager

This is the more informative of the two methods, since it shows exactly how much each app is slowing down your startup, not just whether it's enabled.

1. Open Task Manager.

   Right-click the Start button and choose Task Manager, or press Ctrl+Shift+Esc.

2. Go to the Startup apps tab.

   It's in the left sidebar (or under "More details" if Task Manager opens in compact mode).

3. Sort by Startup impact.

   Click the "Startup impact" column header to sort High-impact apps to the top — these are your best candidates to disable first.

4. Right-click and disable what you don't need.

   Select an app, click Disable, and it won't launch at your next login. This doesn't uninstall the app — you can still open it manually anytime.

Disable Startup Apps From Settings

The Settings app gives a cleaner, toggle-based view if you already know which apps you want off and don't need the impact ratings to decide.

1. Open Settings, then Apps, then Startup.

   This shows every app registered to launch at login, each with a simple on/off toggle.

2. Toggle off anything you don't need running immediately.

   Changes take effect at your next login, not instantly.

What to Keep, What to Cut

How Much Difference This Actually Makes

The effect varies a lot by machine. On a PC with an SSD and 16GB+ of RAM, trimming five or six startup apps might shave a handful of seconds off boot time — noticeable but not dramatic. On an older machine with a mechanical hard drive and 8GB of RAM, the same cleanup can be the difference between a PC that's usable within 30 seconds of login and one that's still catching up two minutes later, because every app fighting for the same limited disk and memory bandwidth compounds the slowdown.

The gain isn't just about boot time either — apps still running in the background after login (not just launching at startup) continue consuming RAM and CPU cycles for as long as they're open, so disabling ones you don't need helps ongoing performance too, not only the first minute after you log in.

There's also a compounding effect worth understanding: startup apps don't just add up their individual load one after another, they often compete for the same disk read speed and CPU cores at the exact same moment, right as Windows itself is still loading its own core processes. Ten lightweight apps launching in sequence is manageable; ten apps all trying to read from disk and grab CPU time in the same few seconds is where the noticeable slowdown actually comes from, which is part of why cutting even a few high-impact apps can produce a bigger improvement than the raw number of apps removed would suggest.

Will Disabling a Startup App Break It?

No — disabling an app from startup only stops it from launching automatically at login. The app itself remains fully installed and works exactly the same when you open it manually. Nothing about its features, data, or settings changes; the only difference is that you're now choosing when it runs instead of it deciding for you.

The one exception worth knowing: some apps (particularly messaging and notification-based apps) rely on running in the background to receive real-time alerts. Disabling those from startup means you won't get notifications until you open the app yourself — a reasonable tradeoff for most people, but worth knowing if you depend on instant alerts from a specific app.

Startup Apps Tend to Creep Back Over Time

New software installs frequently register themselves to run at startup by default, sometimes without asking, which is why a PC that felt fast six months ago can slowly accumulate startup clutter again without you noticing any single moment where it happened. Checking the Startup apps tab every few months, especially after installing anything new, catches this before it becomes a real slowdown again.

A quick startup-app check after installing new software prevents the slow creep back toward a cluttered login.

Startup Impact Ratings Aren't Always Obvious From the App's Purpose

It's tempting to assume a simple-looking app has low startup impact and a complex one has high impact, but that's often wrong — a lightweight-looking notification app can carry a "High" impact rating if it does something inefficient at launch, while a large creative app might show "Low" if it only registers a background listener rather than fully loading. This is exactly why Task Manager's actual measured rating is more useful than guessing based on what an app looks like or does.

Startup Items Task Manager Doesn't Show

Task Manager's Startup apps list covers the most common case — programs registered to launch through the standard Windows startup mechanism — but it isn't the only place software can hook into your login sequence. Browser extensions that launch their own background helper, scheduled tasks set up by an installer, and services that start with Windows itself (rather than with your user login specifically) can all add to startup load without appearing in that list.

For scheduled tasks, opening Task Scheduler (search for it in the Start menu) and checking the Task Scheduler Library for anything set to trigger "At log on" or "At startup" catches items the Startup apps tab misses. For background services, Services (also searchable from Start) lists everything set to start automatically with Windows — though this list is longer and includes many things Windows itself needs, so it's worth being more cautious about disabling anything here unless you specifically recognize it as belonging to software you installed.