Menu Bar is blocking participants' view

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My zoom Menu Bar and everything are always blocking participants' view.

(shown as grey pattern around the bottom of the page where my mouse is)

I updated to the latest version. 

I know there's a way to hide the bar. But every time somebody enter room,

leave room, chat, they all pop-up and block my sharing screen.

Participants can never view my full screen.

Other's computer or phone don't have this problem. How do I fix it?