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I get this error when i tried to upgrade Ubuntu 12.04 to 12.10 from update manager.

Package ubuntu-release-upgrader does not exist

Does anything can be done to fix this?

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Have you tried updating Ubuntu using the terminal ? – Suhaib Oct 20 '12 at 14:22
currently trying sudo do-release-upgrade – aknelkaiser Oct 20 '12 at 16:06
Ok, If anything happens tell us :) – Suhaib Oct 20 '12 at 16:16
@Suhaib tried it and it estimate the download will took 52 days. I still download it. On the other hand, I download the iso file and it will finish in an hour. Can the upgrade done from usb stick or live cd? – aknelkaiser Oct 21 '12 at 7:36
Yea you can do that. insert the liveCD/Usb and run the installation. Then a window will show up dng the installation procedure that will ask you if you want to upgrade your Ubuntu instead of installing a new one – Suhaib Oct 21 '12 at 18:17

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