Windows 10: Outlook Returns to Home Screen After I Delete My Last Email???

I have Outlook set to "open previous item" when I delete or move the current email. That works fine until I get to my last item. When I delete or move it, Windows 10 returns me to the tiled home screen instead of returning to Outlook. Any advice or help would be much appreciated.

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Returns to Home Screen Every Time I Close a Program...help?!?!

I have a brand new Surface Book. I have one major issue: every time I close a window it returns me to the home screen. As an example, when I am working with an Outlook message and close or delete the message, it returns me to the Home screen instead
of returning me to Outlook. This is very frustrating is a huge productivity loss. Is anyone else having this issue or can someone offer a solution.

 

Outlook 2013 not working right after Windows 10 upgrade

1. Toshiba Satellite Radius P55W-B5224

2. No error messages. Computer screen goes to saver (mine is set to blank screen) fine and returns normally. Immediately after it returns, Outlook start-up screen appears and Outlook opens. It's as if Outlook closes when the screen saver starts and then
reopens once the screen becomes active.

3. Norton AntiVirus was pre-loaded when I purchased last year. No changes were made before, during, or after upgrade to Windows 10.