Solved: This App Is Preventing Shutdown Message Windows 10 FIX 

Solved: This App Is Preventing Shutdown Message Windows 10 FIX.
While Restart or shutdown Windows Laptop/PC getting This app is preventing shutdown Windows 10? Or an unknown app preventing shutdown windows 10 PC every time While restarting or shutdown. Normally when you shut down your system, Task Host ensures that programs previously running were closed properly to avoid data and program corruption.
Some Windows users are reporting that an app is preventing the shutdown. Most affected users are reporting that there’s no name associated with the application (just an icon) when the “This app is preventing shutdown” error appears. This error message appears when you try to shut down Windows and there’s a third-party application that contains unsaved data. This behavior is reported to occur on Windows 7, Windows 8.1 and Windows 10.
The “This app is preventing shutdown” message appears when you try to shut down Windows when there are still third-party apps running. Then you’ll see a screen that lists software apps you still need to close, and you can select a Cancel or Shut down anyway option. By selecting Cancel, users can manually close the listed apps preventing shutdown.
The “This app is preventing shutdown” screen appears when applications with unsaved data are still open in Windows. Word processor, spreadsheet, text editor and image editor software will usually prompt you to save unsaved documents or images when you click the X button to close their windows. Then you can select to save and close or close the application without saving anything. So you need to close all applications with unsaved data open in them before shutting down Windows.
This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba,Lenovo, and Samsung).