I just Installed Ubuntu 12.10 via CD in offline mode and now I am unable to download anything from the software centre.
An error dialogue pops up saying
Failed to download repositories information, check internet connection
I have tried my best following myriad number of instructions and commands,as I can see that the question has been asked several times, but till now all in vain. I even tried re installing. I tried the commands sudo apt-get update
and sudo apt-get upgrade
, it runs and shows
E: Some index files failed to download. They have been ignored, or old ones used instead.
Also it shows "use this source" instead of install button.