https://bugs.winehq.org/show_bug.cgi?id=43030
Geoffrey love@cvbt-web.org changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |love@cvbt-web.org
--- Comment #6 from Geoffrey love@cvbt-web.org --- I also this symptom - a black outline of the application window appears on top of other applications when LINE is in the background (behind other windows).