Steve, This sounds like a problem that should be reported to the Gnome developers. However before doing that, are you able to test if the problem exists in Ubuntu 18.10 or 19.04?
http://releases.ubuntu.com/18.10/ http://cdimages.ubuntu.com/daily-live/current/ -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1816634 Title: GNOME Shell consistently ignores mouse clicks in a particular app window To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1816634/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs