Upward green arrow in lower left corner mutes everyone on the call

[js070346]

Spoiler

On a random basis, I open Zoom and see an upward green arrow and it mutes everyone on the call.  I have no idea why this is happening.

[Ray_Harwood]

Welcome to the Zoom Community, @js070346.

Can you grab a screen shot when this occurs?  What type of device are you using? (Windows, Mac, phone, tablet)