Windows 10: This app prevents the computer to shutdown

The name of this application is SystemTray.exe. Is it a virus?

submitted by /u/fyzyk_
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:)

 

This App is preventing shutdown message.

*Original Title: This is preventing shutdown message.

When I shutdown I get the message "this app. is preventing shutdown". Last night it showed 'DDES window'. I can't find what DDES window is. I went through the msconfig list and I don't see anything that seems to match. What is DDES window?

 

Mystery app preventing Windows 10 shutdown after update.

After much searching, and trying many, many suggestions, this is what eventually worked for me:-

Run Windows System File Checker
Your Windows PC comes with an in-built system file checker utility program. It can scan your system files and let you know if there is some corruption over there for which you get smashed
with the error message “Task Host Window Preventing Shutdown”. You must follow these simple steps here to run the Windows System File Checker,

• Press the Windows Logo Key + X from your PC
• From the drop-down list select the Command Prompt(Admin)
• Click on Yes if prompted for permission. It will open the elevated command prompt on your system
• Now, type in the following command and press the enter button
• sfc /scannow
• Then, wait until the System File Checker continues the process of scanning. Press Y if the program asks for permission to apply the fixes for your missing system files
• Finally, Restart your PC once again and check if you can get over the problem there

I found the above on a list of several suggestions, which are on the following link, but the above was what removed the problem for me.

This App is Preventing Shutdown in Windows 10 [SOLVED]

 

"Open app" icon with a slanted S preventing shutdown

Hello Theodore,

The app is preventing shutdown indicates that there is an open application that you might need to close in order for you to shutdown the PC directly.

To check the specific application, you may follow these steps:

• Open Task Manger by pressing Ctrl +
  Shift + Esc.
• Select the Processes tab, and this will show the application that is currently open.
  
• Look for the application and click End task.

Should you need further assistance, feel free to get back to us.