You seem to have missed a space between "/usr/share/applications/gnome-appearance-properties.desktop" and "/usr/share/gdm/autostart/LoginWindow"
Your command should be
sudo cp /usr/share/applications/gnome-appearance-properties.desktop /usr/share/gdm/autostart/LoginWindow
Not a bug. Marking as invalid.
You seem to have missed a space between "/usr/share/ applications/ gnome-appearanc e-properties. desktop" and "/usr/share/ gdm/autostart/ LoginWindow"
Your command should be
sudo cp /usr/share/ applications/ gnome-appearanc e-properties. desktop /usr/share/ gdm/autostart/ LoginWindow
Not a bug. Marking as invalid.