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There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?
How do I fix a “Failed to download package files” error?

I recently installed Ubuntu 12.10 daily build. At first everything was OK, but after a few updates, now the software updater always says no internet connection detected. I can update and upgrade through terminal by entering sudo apt-get update and sudo apt-get upgrade but software updater doesn't work. It will say "checking for updates" for sometime and then will say

no internet connection detected.

I downloaded synaptic package manager and even in that software when I click on reload, it says the same thing.

Of course I am still connected to internet when I am trying all this as I can still browse the net. My connection speed is fast as well so that should not be a problem.

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marked as duplicate by jokerdino, belacqua, fossfreedom Aug 18 '12 at 8:07

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Wait for Further updates , it might be resolved , since it is in developing and testing state . Post any encountered error –  atenz Aug 17 '12 at 6:49
This is really a bug report, and should be reported as such with ubuntu-bug----unreleased 12.10 is supported in #ubuntu+1 on freenode –  user72421 Aug 17 '12 at 7:47

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