Hi, there.

If you open a Modern App and then you close it, it does not close completely. If you see the Task Manager, the application thinks it is suspended, not closed.

As you can see in this picture, I don't have any other app opened:

But, when I looked into the Task Manager, or Process Explorer, the app is still there as Suspended:

Try yourself if you can.

How do you close t

 or dragging to the button. They didn't close.

hold the mouse for a few seconds:

http://answers.microsoft.com/en-us/windows/forum/windows8_1_pr-performance/i-cant-close-any-app-with-the-swipe-down-gesture/6133b80d-05db-4975-8849-fb406c7d7140

Microsoft changed how this works.
 

Drag down to bottom of screen and hold (so app is about halfway off the screen) and wait for animation that flips the tile to its Store Logo. It will take a few second to disappear from taskmgr if you check there.

 or dragging to the button. They didn't close.

hold the mouse for a few seconds:

http://answers.microsoft.com/en-us/windows/forum/windows8_1_pr-performance/i-cant-close-any-app-with-the-swipe-down-gesture/6133b80d-05db-4975-8849-fb406c7d7140

Microsoft changed how this works.
 

Drag down to bottom of screen and hold (so app is about halfway off the screen) and wait for animation that flips the tile to its Store Logo. It will take a few second to disappear from taskmgr if you check there