ppa problem ?

[devilnoe]

why ?

Code Select Expand

Get:8 http://security.ubuntu.com natty-security/restricted Sources [14 B]     
Err http://ppa.launchpad.net natty/main Sources                               
  404  Not Found
Err http://ppa.launchpad.net natty/main amd64 Packages                         
  404  Not Found
Get:9 http://security.ubuntu.com natty-security/universe Sources [17.5 kB]   
Get:10 http://security.ubuntu.com natty-security/multiverse Sources [1,641 B] 
Err http://ppa.launchpad.net natty/main Sources                               
  404  Not Found
Err http://ppa.launchpad.net natty/main amd64 Packages                         
  404  Not Found
Ign http://deb.pinguin.lu ./ Translation-en_US                                 
Get:11 http://security.ubuntu.com natty-security/main amd64 Packages [262 kB] 
Err http://ppa.launchpad.net natty/main Sources                               
  404  Not Found
Err http://ppa.launchpad.net natty/main amd64 Packages                         
  404  Not Found
Ign http://deb.pinguin.lu ./ Translation-en                                   
Err http://ppa.launchpad.net natty/main Sources                               
  404  Not Found
Err http://ppa.launchpad.net natty/main amd64 Packages                         
  404  Not Found

and

Code Select Expand

Fetched 1,261 kB in 44s (28.5 kB/s)
W: Failed to fetch http://ppa.launchpad.net/backbox-desktop/gnome3-builds/ubuntu/dists/natty/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/backbox-desktop/gnome3-builds/ubuntu/dists/natty/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/backbox-ppa/backports/ubuntu/dists/natty/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/backbox-ppa/backports/ubuntu/dists/natty/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/gnome3-builds/ubuntu/dists/natty/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/ubuntu-desktop/gnome3-builds/ubuntu/dists/natty/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/ubuntu-ppa/backports/ubuntu/dists/natty/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/ubuntu-ppa/backports/ubuntu/dists/natty/main/binary-amd64/Packages  404  Not Found

[ostendali]

because your network connection doesn't work....
pls chek if you can navigate.....

and if you don't mind post here your repo list as well....