https://bugs.winehq.org/show_bug.cgi?id=56011
--- Comment #1 from Rémi Bernon rbernon@codeweavers.com --- Seems weird though, if the window was docked in the systray it should not be reaching that assert. Would you mind attaching a WINEDEBUG=+x11drv,+systray,+event,+seh,+loaddll log?