sudo apt-get install pcmanfm2
3
sudo gedit /usr/share/applications/nautilus-folder-handler.desktop4
sudo gedit /usr/share/applications/nautilus-home.desktop
sudo gedit /usr/share/applications/nautilus.desktop
Exec=pcmanfm --no-desktop %U
sudo gedit /usr/share/applications/nautilus-computer.desktop
Exec=gksu pcmanfm --no-desktop computer:
PCManFM