8.5 'control room/meter' check box pops up

When I move my cursor around or add a plugin, ‘control room/meter’ check box pops up and background changes to desktop instead of Cubase background. Any way to correct this? It’s very annoying.
Thanks.

PC, Windows 7, 32bit, Intel, RME FF800, ASUS P5QL Pro, 4Gigs