wnckprop is available in package libwnck-dev, which you can install by running the following command
sudo apt-get install libwnck-dev -- main window disappears from the Window list https://bugs.launchpad.net/bugs/237300 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-panel in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
