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W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/restricted/binary-i386/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs

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

I am new to ubuntu so I dont know how to solve this error. This is shown at the end after executing 'sudo apt-get update' command. I think this is preventing me from installing new apps like wine 1.7.

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up vote 0 down vote accepted

No, it's not preventing you to install wine.Just try to remove or put # before the below line in /etc/apt/sources.list file,

deb cdrom:[Ubuntu 13.10 Saucy Salamander - Release amd64 (20131016.1)]/ saucy main restricted

And then run an update,

sudo apt-get update
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is same as sources.list? – user293471 Mar 9 '14 at 5:16
no.To delete the line run sudo nautilus command.From that move to /etc/apt/sources.list file and then open it.Now delete or add # before that line. – Avinash Raj Mar 9 '14 at 5:18
i think i may have accidently removed that file. What to do?? – user293471 Mar 9 '14 at 5:25
Don't worry run this command, sudo cp /etc/apt/ /etc/apt/sources.list – Avinash Raj Mar 9 '14 at 5:26
the above line is not there. Instead there is deb cdrom:[Ubuntu 13.10 Saucy Salamander - Release amd64 (20131016.1)]/ saucy main restricted – user293471 Mar 9 '14 at 5:38

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