Aero Glass for Win8.1+ 1.4.6 in Aero Glass For Windows 8+ Posted September 26, 2016 · Edited September 27, 2016 by fricku EDIT: If I make a window small enough it can overlie other windows without this happening. The conditions to cause it are not quite as simple as I first stated it. Sometimes it will happen if it overlies multiple windows 'just right'. On 9/25/2016 at 8:20 AM, NoelC said: Managed a screen-grab. Note the rectangle of "see through" pixels near the top of Internet Explorer. That was flickering on and off when I moved the mouse over the IE window. -Noel I'm seeing the same thing. It appears that when one window only partially overlaps another window this occurs. The same window fully inside or fully outside any other window seems to be fine. The affected pixels do not seem to line up with any features of the underlying window when the problem occurs. I see this more often from a screen grab rather than on the desktop itself. The screen grab below shows it as an opaque black line with a 90° bend in it.