## What to Do When an App Is Preventing Windows From Shutting Down, Restarting, or Signing Out
As we said above, there is no “one size fits all” solution, nor is there a way to explicitly tell what’s keeping your PC from shutting down cleanly. As such, try each of the following methods until one of them works.
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1. Run the System File Checker The “app preventing Windows from shutting down” error message may be caused by corrupted system files. The first thing to do is to run the System File Checker on Windows. System File Checker is a tool built into the OS that can scan and restore Windows system files to restore your system to a healthy state.
However, it’s advised that you run the DISM tool first. This tool uses Windows Update to make sure that your system files are all in order, so it’s a good idea to do a DISM to ensure the SFC scan goes off without a hitch. You can read about both of these tools in our guide onthe difference between CHKDSK, DISM, and SFC .
2. Disable Fast Startup Even though it has its advantages, there are manyreasons to disable Windows Fast Startup . One of these is that it can interfere with how Windows shuts down. With Fast Startup enabled, your computer goes into a state of hibernation, and not a full shutdown, when you turn it off.
Settings are saved and start-up times are reduced, but as reported onWindows Learn , it is known to affect Windows updates. So,turn off Fast Startup on Windows and check whether this solves the problem.
3. Tweak Your Sign-In Options With Windows 10, Microsoft included an option to make your life easier when updating to newer builds and versions. This uses your sign-in information to finish setting up your PC after an update. But this can cause problems with shutting down your computer. Follow these steps to change your sign-in options.
Click on the Start menu and selectSettings .
Click onAccounts and navigate toSign-in options on the left pane.
Scroll down to thePrivacy section and turn off the option to use your sign-in info to automatically finish setting up your device after an update or restart.
Additionally, you canblock Microsoft sign-ins on Windows 10 altogether.
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4. Run the Power Troubleshooter Even though turning off or logging off from your PC isn’t a power issue, you can try tackling it via the power troubleshooter. If there’s anything wrong with your PC power options, running this specific fix-it solution might give you an insight into what’s wrong and put you on your way to fixing it.
Here’s how you can run the power troubleshooter on Windows:
AccessSettings via the Start menu.
Click onUpdate & Security and navigate toTroubleshoot on the left pane.
Scroll down to thePower section and click on it to expand it.
Click onRun the troubleshooter .
The system will scan for errors and let you know if there’s something that might need fixing.
5. Manually Kill or Update the Problematic Task If you know which tasks are interrupting shutdown, you can manually close them. Use the Task Manager to end any problem tasks. PressCTRL + Shift + Esc and end the process before you turn off your PC. To help you find the offending program, you canuse the Windows Event Viewer .
Unfortunately, this might be a temporary fix, as the process may go back to its old habits after you turn off your PC again. As such, if the process is tied to a third-party service you’re no longer using, you can uninstall it. Otherwise, check for any updates for the service or re-install it.
If the problem persists, thetask host may be preventing Windows from shutting down .
Clean Up Your Shutdown Procedure on Windows It isn’t always easy to pinpoint the error that prevents Windows from shutting down or logging off. Resetting things to the way they were before the error started showing up may help solve the problem. Mostly, however, it is likely just third-party apps causing the trouble.