When an app stops responding, force closing it is usually the fastest way to get it working again

A force close stops a program when ready, even if it's frozen or not responding to normal commands. Windows gives you several ways to do this, from the simplest keyboard shortcut to the Task Manager window where you can see exactly what each program is doing. Most of the time you'll use the keyboard method — it takes three seconds and works on any app.

Force closing is safe. It doesn't damage Windows or your files. The app will lose any unsaved work in that program, but nothing else on your computer is affected. If an app keeps freezing, force closing it repeatedly is a sign that something is wrong with that program — either it needs an update, it conflicts with another program, or it has a bug that the developer needs to fix.

Key Takeaways

  • Press Alt + F4 while the frozen app is active to close it when ready without saving.
  • If Alt + F4 doesn't work, open Task Manager with Ctrl + Shift + Esc and click the app name, then click "End Task".
  • You can also right-click the app in the taskbar at the bottom of your screen and select "Close window".
  • Force closing loses any unsaved work in that app but does not harm Windows or other programs.
  • If an app freezes repeatedly, check for updates or uninstall and reinstall it.

The keyboard shortcut: Alt + F4

The fastest way to force close any app is to press Alt + F4 while that program is the active window. Active means it's the one you're currently looking at — the title bar is highlighted or the window is in focus. Hold down Alt, press F4, and release both keys. The app closes when ready.

This works on almost every Windows program. If the app is truly frozen and won't respond to anything, Alt + F4 may not work — in that case, move to the Task Manager method below. But try this first because it's the quickest.

Using Task Manager when the keyboard shortcut fails

If Alt + F4 doesn't close the app, open Task Manager by pressing Ctrl + Shift + Esc all at once. A window opens showing all the programs currently running on your computer. Look for the name of the frozen app in the list.

Click the app name once to select it, then click the "End Task" button in the bottom right corner of the Task Manager window. The app closes when ready. You can then close Task Manager itself by clicking the X button in its top right corner.

Task Manager is more reliable than Alt + F4 when an app is completely unresponsive, because Task Manager itself runs separately from the frozen program. Even if the app is locked up, Task Manager can still communicate with Windows and tell it to shut the program down.

Right-clicking the taskbar for a quicker close

The taskbar is the bar at the bottom of your screen showing open programs. If you see the frozen app there, right-click its icon or name. A small menu appears with options including "Close window" or "Close all windows". Click "Close window" to force close just that one app.

This method is faster than opening Task Manager if you can see the app in the taskbar. It doesn't work if the app has already crashed and disappeared from the taskbar, but if the app is still visible there, this is often the quickest route.

What happens to your work when you force close

Any unsaved work in the frozen app is lost. If you were writing an email, editing a document, or filling out a form, those changes disappear. This is why force closing should be your last resort — first try closing the app normally by clicking the X button, or use File > Exit if the menu is still responsive.

Force closing does not affect other open programs or files. If you have Microsoft Word open in one window and a frozen web browser in another, closing the browser doesn't touch Word or anything you've saved there. Windows itself is not harmed by force closing an app.

Why apps freeze and what to do about it

An app freezes when it stops responding to your keyboard and mouse clicks. This usually means the program is stuck trying to do something — load a file, connect to the internet, or process data — and can't move forward. Sometimes it's a temporary glitch that closing and reopening fixes. Sometimes it's a sign the app needs an update.

If an app freezes once, close it and open it again. If it freezes repeatedly, check for updates by opening the app's settings or going to the Microsoft Store (if it's a Store app) and looking for an update button. If updates don't help, try uninstalling and reinstalling the program. If it still freezes, the app may have a bug and you may need to contact the developer or switch to a different program that does the same thing.

Preventing freezes with regular updates

Most app freezes happen because the program is outdated. Developers release updates that fix bugs, improve performance, and patch security problems. An old version of an app is more likely to freeze, especially if Windows itself has been updated since you last updated the app.

Check for updates regularly. For Microsoft Store apps, open the Microsoft Store, click your profile icon in the top right, and select "Downloads and updates" — then click "Get updates" to check for any waiting updates. For other apps, look in the app's settings or preferences menu for an "About" or "Check for updates" option. Many apps can also be set to update automatically.

Frequently Asked Questions

Will force closing damage my computer or Windows?

No. Force closing an app only stops that one program. Windows and your other open files are not affected. You will lose any unsaved work in the frozen app, but nothing else is harmed.

What's the difference between Alt + F4 and End Task?

Alt + F4 asks the app to close politely. If the app is frozen, it may ignore the request. End Task in Task Manager forces Windows to shut the app down when ready, whether it responds or not. Use Alt + F4 first, then Task Manager if that doesn't work.

Can I force close an app without losing my work?

Not in that app. Any unsaved changes in the frozen program are lost. Some apps like Microsoft Word and Google Chrome save recovery files, so you may be able to recover some work when you reopen them, but this is not may provide.

Why does my app keep freezing even after I force close it?

Repeated freezing usually means the app needs an update, conflicts with another program, or has a bug. Check for updates first. If updates don't help, try uninstalling and reinstalling the app. If it still freezes, the app may not work well on your system.

Is it safe to force close Windows Update or system programs?

Avoid force closing Windows system programs if possible. If Windows Update or a system program freezes, restart your computer instead. Restarting is safer than force closing core Windows processes.