[ubuntu-it] non riesco ad ottenere aggiornamenti

[lele]

buongiorno

da un po di tempo non riesco ad ottenere gli aggiornamenti automatici di
ubuntu edgy.

ho provato con i comandi manuali

sudo apt-get update e questo e' il risultato:

Ign http://packages.freecontrib.org edgy-plf Release.gpg
Ign http://packages.freecontrib.org edgy-plf/free
Translation-it               
Ign http://packages.freecontrib.org edgy-plf/non-free
Translation-it           
Get:1 http://security.ubuntu.com edgy-security Release.gpg
[191B]            
Ign http://security.ubuntu.com edgy-security/main
Translation-it               
Ign http://security.ubuntu.com edgy-security/restricted
Translation-it         
Get:2 http://archive.canonical.com edgy-commercial Release.gpg
[191B]         
Ign http://archive.canonical.com edgy-commercial/main
Translation-it           
Get:3 http://archive.ubuntu.com edgy Release.gpg
[191B]                        
Ign http://packages.freecontrib.org edgy-plf
Release                           
Ign http://security.ubuntu.com edgy-security/universe
Translation-it          
Ign http://security.ubuntu.com edgy-security/multiverse
Translation-it        
Ign http://security.ubuntu.com edgy-security/universe
Translation-it          
Hit http://security.ubuntu.com edgy-security
Release                          
Hit http://archive.canonical.com edgy-commercial
Release                       
Ign http://packages.freecontrib.org edgy-plf/free
Packages                     
Hit http://security.ubuntu.com edgy-security/main
Packages                    
Hit http://archive.canonical.com edgy-commercial/main
Packages                
Ign http://packages.freecontrib.org edgy-plf/non-free
Packages                
Hit http://security.ubuntu.com edgy-security/restricted
Packages              
Hit http://security.ubuntu.com edgy-security/universe
Packages                
Hit http://security.ubuntu.com edgy-security/multiverse
Packages              
Ign http://packages.freecontrib.org edgy-plf/free
Sources                     
Ign http://packages.freecontrib.org edgy-plf/non-free
Sources                 
Err http://packages.freecontrib.org edgy-plf/free
Packages                    
  404 Not Found
Hit http://security.ubuntu.com edgy-security/main
Sources                     
Hit http://security.ubuntu.com edgy-security/restricted
Sources               
Hit http://security.ubuntu.com edgy-security/universe
Sources                 
Hit http://security.ubuntu.com edgy-security/multiverse
Sources               
Hit http://security.ubuntu.com edgy-security/universe
Packages                
Hit http://archive.ubuntu.com edgy/main
Translation-it                        
Hit http://archive.ubuntu.com edgy/restricted Translation-it
Hit http://archive.ubuntu.com edgy/universe Translation-it
Hit http://archive.ubuntu.com edgy/multiverse Translation-it
Hit http://archive.ubuntu.com edgy/multiverse Translation-it
Hit http://archive.ubuntu.com edgy/universe Translation-it
Get:4 http://archive.ubuntu.com edgy-proposed Release.gpg [191B]
Ign http://archive.ubuntu.com edgy-proposed/main Translation-it
Ign http://archive.ubuntu.com edgy-proposed/restricted Translation-it
Ign http://archive.ubuntu.com edgy-proposed/universe Translation-it
Err http://packages.freecontrib.org edgy-plf/non-free Packages
  404 Not Found
Err http://packages.freecontrib.org edgy-plf/free Sources
  404 Not Found
Ign http://archive.ubuntu.com edgy-proposed/multiverse Translation-it
Err http://packages.freecontrib.org edgy-plf/non-free Sources
  404 Not Found
Get:5 http://archive.ubuntu.com edgy-updates Release.gpg [191B]
Ign http://archive.ubuntu.com edgy-updates/main Translation-it
Ign http://archive.ubuntu.com edgy-updates/restricted Translation-it
Ign http://archive.ubuntu.com edgy-updates/universe Translation-it
Ign http://archive.ubuntu.com edgy-updates/multiverse Translation-it
Ign http://archive.ubuntu.com edgy-updates/universe Translation-it
Hit http://archive.ubuntu.com edgy Release
Hit http://archive.ubuntu.com edgy-proposed Release
Hit http://archive.ubuntu.com edgy-updates Release
Hit http://archive.ubuntu.com edgy/main Packages 
Hit http://archive.ubuntu.com edgy/restricted Packages
Hit http://archive.ubuntu.com edgy/universe Packages
Hit http://archive.ubuntu.com edgy/multiverse Packages
Hit http://archive.ubuntu.com edgy/main Sources
Hit http://archive.ubuntu.com edgy/restricted Sources
Hit http://archive.ubuntu.com edgy/universe Sources
Hit http://archive.ubuntu.com edgy/multiverse Sources
Hit http://archive.ubuntu.com edgy/multiverse Packages
Hit http://archive.ubuntu.com edgy/universe Packages
Hit http://archive.ubuntu.com edgy-proposed/main Packages
Hit http://archive.ubuntu.com edgy-proposed/restricted Packages
Hit http://archive.ubuntu.com edgy-proposed/universe Packages
Hit http://archive.ubuntu.com edgy-proposed/multiverse Packages
Hit http://archive.ubuntu.com edgy-updates/main Packages
Hit http://archive.ubuntu.com edgy-updates/restricted Packages
Hit http://archive.ubuntu.com edgy-updates/universe Packages
Hit http://archive.ubuntu.com edgy-updates/multiverse Packages
Hit http://archive.ubuntu.com edgy-updates/main Sources
Hit http://archive.ubuntu.com edgy-updates/restricted Sources
Hit http://archive.ubuntu.com edgy-updates/universe Sources
Hit http://archive.ubuntu.com edgy-updates/multiverse Sources
Hit http://archive.ubuntu.com edgy-updates/universe Packages
Scaricato 5B in 2s (2B/s)   
Impossibile ottenere
http://packages.freecontrib.org/plf/dists/edgy-plf/free/binary-i386/Packages.gz  404 Not Found
Impossibile ottenere
http://packages.freecontrib.org/plf/dists/edgy-plf/non-free/binary-i386/Packages.gz  404 Not Found
Impossibile ottenere
http://packages.freecontrib.org/plf/dists/edgy-plf/free/source/Sources.gz  404 Not Found
Impossibile ottenere
http://packages.freecontrib.org/plf/dists/edgy-plf/non-free/source/Sources.gz  404 Not Found
Lettura della lista dei pacchetti in corso... Fatto
E: Impossibile scaricare alcune file di indice, essi verranno ignorati,
oppure si useranno quelli precedenti.


cosa posso fare?

grazie 

lele