Are you having trouble shutting down your Windows unit because the Task Host window appears?

What causes this error?

Why Does the Task Host Window Prevent a Windows Shutdown?

Mockup of Laptop Placed on a Table with Cup Showing a task host process window open in windows

It is also possible that some system configs, such as Fast Startup, can contribute to the problem.

If you apply them all, you should be able to shut down your setup easily once more.

The following few fixes will help you achieve that.

Checking for Available Windows Updates in Windows Settings App

Our guide onuninstalling updates in Windows 10 and 11will show you how.

Remove updates like KB5012170 from the recently installed updates list as they are known to cause the problem.

Once deleted, you will need to reinstall them.

Paused Windows Updates in Windows Settings App

To do this, pressWin + Iand selectWindows Updatefrom the left sidebar.

Then, clickCheck for Updates, and all available updates will be installed automatically.

So, pressWin + Iand selectWindows Updatefrom the left sidebar.

Clicking on the Other Troubleshooters Option under Troubleshoot Tab in Windows Settings App

Click theResume updatesbutton if updates have been paused, and Windows will load the pending updates automatically.

If you don’t see such an option, the Windows Update service isn’t paused.

So, clickCheck for Updates, and all available updates will be installed automatically.

Clicking on Run Button Next to Windows Update Option under Other Troubleshooters Window

Install Failed Updates Manually

There are times when the Windows Update service fails to install specific updates.

A failed update can also contribute to the problem under discussion.

To check failed updates, pressWin + Ito fire up the configs app and selectWindows Updatefrom the left sidebar.

Checking the Box for Hide All Microsoft Services Option in Service Tab in Windows System Configuration App

Next, clickUpdate History.

Disable Fast Startup

The Fast Startup feature in Windows keeps your gadget in hibernation when you shut it down.

This means that your unit doesn’t fully shut down.

Clicking on Choose What the Power Buttons Does Option under Power Options in Control Panel

By disabling this feature, your gear will shut down completely, which may help fix the problem.

Regardless, you’ll accomplish your goal: to shut down your machine without receiving this notification.

Clicking on Save Changes Button after Unchecking the Box for Turn On Fast Startup Option in Control Panel

Turning Off the Toggle Next to Use My Sign-in Info to Automatically Finish Setting Up after an Update under Additional Settings in Accounts Tab in Windows Settings App

Disabling the WpnUserService by Changing the Value Data of WpnUserService Key in Windows Registry Editor