How do I fix a download issue when updating? [duplicate]
Possible Duplicate:
How can I fix a 404 Error using a PPA?
For some reason every time I try to update by terminal, synaptic, and update manager I get this error message and I cannot update all the data I need.
W:Failed to fetch cdrom://Ubuntu-Netbook 10.04 _Lucid Lynx_ - Release i386 (20100429.4)/dists/lucid/main/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
, W:Failed to fetch cdrom://Ubuntu-Netbook 10.04 _Lucid Lynx_ - Release i386 (20100429.4)/dists/lucid/restricted/binary-i386/Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
, W:Failed to fetch http://ppa.launchpad.net/canonical-dx-team/une/ubuntu/dists/natty/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/canonical-dx-team/une/ubuntu/dists/natty/main/binary-i386/Packages 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/lorenzo-carbonell/atareao/ubuntu/dists/natty/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/lorenzo-carbonell/atareao/ubuntu/dists/natty/main/binary-i386/Packages 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/meebey/ppa/ubuntu/dists/maverick/main/binary-i386/Packages 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/natty/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/natty/main/binary-i386/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-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.
Using Update Manager click the "Settings" button. This will open your Software Sources windows:
- Untick the "CD-ROM" option - in my case it is "Ubuntu 10.10"
- Go through the list and untick all your PPAs
- Then click close
- Check that you can now update successfully.
If you still cannot update then change your download mirror to another server: