I'm using Aero Glass version 1.3.1 and I don't have any 3rd party tweaks to my opacity that I'm aware of. I have a theme that causes my title bars to be the same colour as the accent setting, but even when switching to the default Windows theme and restarting the problem persists. Sometimes on restart the title bars are transparent, but any time I open a Windows app like mail, store or settings the command prompt window will come up with the output above and everything will become opaque again. If it could be an issue with an opacity setting somewhere, is there any way I can actually check that setting? Beyond that, surely the command prompt is not expected behaviour, what could be causing that?