I experience this bug occasionally too. For me the workaround is to find the invisible close button in the old window and just close the Settings app. I suppose Alt+F4 might work too? Then just open the Settings app again.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2003136 Title: Settings window becomes broken and unresponsive when changing display scale, sometimes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/2003136/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
