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I want to upgrade to 14.04 from 13.10. The software Updater shows that 14.04 is available.

But when I click on the "Upgrade" button, nothing happens. The software updater exits on clicking Upgrade.

tanmoy
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  • Let me check @Wilf. – tanmoy Jan 23 '15 at 19:04
  • @Wilf followed http://askubuntu.com/a/311010/312849 . But, I got errors Err http://old-releases.ubuntu.com saucy/main amd64 Packages 404 Not Found Err http://old-releases.ubuntu.com saucy/restricted amd64 Packages 404 Not Found . .. . . W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/saucy/restricted/binary-i386/Packages 404 Not Found

    W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/saucy/universe/binary-i386/Packages 404 Not FounD

     – tanmoy Jan 23 '15 at 19:40
  • Odd... even though 13.10 is well past EOL, it appears that is still http://archive.ubuntu.com/ubuntu/dists/saucy/ not http://old-releases.ubuntu.com/ubuntu/dists/saucy/ (so you will likely have to switch back from old-releases to archive, sry). It could be another issue, probably due to the src list or cache being corrupted. It may be simpler to download a new iso from http://www.ubuntu.com/download/desktop, put it on a disk and to a freh reinstall - note you should backup before any update/reinstall method. – Wilf Jan 24 '15 at 16:09

2 Answers2

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Hm... You can try this from terminal:

sudo apt-get clean
sudo do apt-get update
sudo apt-get dist-upgrade  
sudo do-release-upgrade

or

sudo apt-get clean
sudo apt-get update
sudo apt-get dist-upgrade
sudo do-release-upgrade -d

I hope this helps.

BaronBaleron
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An ubuntu install disk will do the trick. See the link below. It should work. https://help.ubuntu.com/community/UbuntuReinstallation