When running DFF from command line this error appears:

root@localhost:~# dff
loading modules in /usr/lib/python2.7/dist-packages/dff/modules
ImportError: No module named pyregfi

File "/usr/lib/python2.7/dist-packages/dff/api/loader/loader.py", line 239, in __load
module = imp.load_module(modname, file, pathname, description)

File "/usr/lib/python2.7/dist-packages/dff/modules/databases/winreg/winreg.py", line 25, in <module>
from hive import RHive

File "/usr/lib/python2.7/dist-packages/dff/modules/databases/winreg/hive.py", line 15, in <module>
import pyregfi

ImportError: No module named apsw

File "/usr/lib/python2.7/dist-packages/dff/api/loader/loader.py", line 239, in __load
module = imp.load_module(modname, file, pathname, description)

File "/usr/lib/python2.7/dist-packages/dff/modules/databases/sqlite/sqlitedb.py", line 3, in <module>
import apsw

When running DFF-GUI - functionality is limited and the screen cannot be resized