Drawing window hidden behind Fusion 360 logo

[JohnDoornenbal]

When several of my students open Fusion 360, there is a Fusion 360 logo displayed when Fusion opens.  They can start a sketch but it appears to stay hidden behind the logo.  They can't open menus or get rid of the logo.  Never had this happen all of last year.  When we restart it can appear normal but as soon as we start a sketch of try OPEN, the logo reappears.  Any thoughts?