https://bugs.winehq.org/show_bug.cgi?id=57679 --- Comment #1 from Ivo Ivanov <logos128(a)gmail.com> --- Created attachment 77866 --> https://bugs.winehq.org/attachment.cgi?id=77866 SimHubWPF_issue.gz WINEDEBUG=-all,+timestamp,+pid,+tid,+loaddll,+x11drv,+event,+win Here the app window is minimized once, where the black window appears exactly on its place. Then the app window is unminimized to its original place covering the black frame. Then the app window is minimized again. This time the black frame is much smaller and appears at the top left corner of the screen. When the app window gets unminimized, it appears at the top left corner, with its window controls unresponsive to mouse clicks. Manjaro Linux (Arch), Xfce (X11), Nvidia GTX 1080ti - dev driver 550.40.82 -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.