Getting some troubles with update manager.

Asked By 0 points N/A Posted on -
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Hi experts,

I am getting some troubles with update manager.

I get this:

And also this text box:

Code:

W:Failed to fetch cdrom://Ubuntu 11.04 _Natty Narwhal_ - Release amd64 (20110427.1)/dists/natty/main/binary-amd64/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 11.04 _Natty Narwhal_ - Release amd64 (20110427.1)/dists/natty/restricted/binary-amd64/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/elegant-gnome/ppa/ubuntu/dists/natty/main/source/Sources  404  Not Found
, W:Failed to fetch http://ppa.launchpad.net/elegant-gnome/ppa/ubuntu/dists/natty/main/binary-amd64/Packages  404  Not Found
, W:Failed to fetch http://ppa.launchpad.net/maintainer-package/ppa/ubuntu/dists/natty/main/source/Sources  404  Not Found
, W:Failed to fetch http://ppa.launchpad.net/maintainer-package/ppa/ubuntu/dists/natty/main/binary-amd64/Packages  404  Not Found
, W:Failed to fetch http://le-web.org/repository/dists/stable/main/binary-amd64/Packages  404  Not Found

, E:Some index files failed to download. They have been ignored, or old ones used instead.

My internet is fine. What is the reason of this error? Please help.

Thanks.

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Answered By 0 points N/A #150871

Getting some troubles with update manager.

qa-featured

Hello Carole,

To resolve the issue that you are getting, you will need to try the following workaround:

  • You will need to try cleaning up your apt-cache, and after that you can try running any updates. The following are the commands that you will use:
sudo apt-get clean
sudo apt-get update
sudo apt-get upgrade
  • In case you still have issues after doing that, you will need to change your repo mirror.
  • You will need to open "Update Manager",  and then click "Settings".
  • After that you will click  "Ubuntu Software" tab, and  then select "Other.." from the "Download From".
  • After that you will click the "Select Best Server" button.
  • And then try updating/upgrading again.

Regards,

Carl

 

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