How can I close the window for system messages on the top?

Support Basics & Interface
1

Sorry, if that question sounds stupid, but since yesterday, I got a window with system messages on top of my work space, above the main menu, and I’m unable to close it again.

Here a screenshot:

2015-04-04_10h22_14.png532×508 57.1 KB

Can someone pls tell me, how to get rid of this window again?

2

Drag the window border

2015-04-04_10h22_14.png532×508 65 KB

3

awww, thank you very much :eyebrowlift:

I tried to drag the upper border of the menu.