Cubase Elements 9 - stopping playback while switch windows

Hi I noticed this issue.
While working on two monitors when I play my music in Cubase and want to do something else for example check score or lyrics (in different app) Cubase Window is deactivated as normal but it plays all the time when I want go back to Cubase and press anywhere on a Cubase window to activate the work place it stops playing. Nothing crushes it just stop playing like you press stop button.

I’m having the same issue. But it’s very intermittent for me. If I’m listening to a playback and switch windows to Chrome or something to look at something on the internet, cubase will stop playback. But this only happens once in a while, which is very weird.