Restoring Nautilus as the default "Open Containing Folder" in Firefox
Using the terminal:
gksudo gedit /usr/share/applications/mimeinfo.cacheSearch for: x-directory/gnome-default-handler=and make sure the whole line reads x-directory/gnome-default-handler=nautilus-folder-handler.desktopinstead of:x-directory/gnome-default-handler=Thunar-folder-handler.desktopx-directory/gnome-default-handler=pcmanfm-folder-handler.desktop;
x-directory/gnome-default-handler=kde4-dolphin.desktop
Posted by Alejandro Cuervo