gfw loaded with problems

[JD]

# gufw&
[1]    4745
#
** (gufw.py:4746): WARNING **: Unable to create Ubuntu Menu Proxy: The 
connection is closed

(gufw.py:4746): LIBDBUSMENU-GLIB-WARNING **: Unable to get session bus: 
The connection is closed

(gufw.py:4746): LIBDBUSMENU-GLIB-WARNING **: Unable to get session bus: 
The connection is closed


So, how can one trust this util to configure the security of the system?