[Bug 1417831] Re: crash update and upgrade

[nemo]

Sorry for all, I am a new user of ubuntu, i've just thought this is some error to update, and that computer that cant update is makes vulnerable to some security attacks. I've read about one new update to debug security errors on linux and associate with this error.
To simplify 
I cant update or upgrade my system
if sudo apt-get update or upgrade
and no security update have been made
How can I proceed ?

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https://bugs.launchpad.net/bugs/1417831

Title:
  crash update and upgrade

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  Lendo listas de pacotes... Pronto
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_main_binary-amd64_Packages)
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/universe amd64 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_universe_binary-amd64_Packages)
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/multiverse amd64 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_multiverse_binary-amd64_Packages)
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/restricted amd64 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_restricted_binary-amd64_Packages)
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/main i386 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_main_binary-i386_Packages)
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/universe i386 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_universe_binary-i386_Packages)
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/multiverse i386 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_multiverse_binary-i386_Packages)
  W: Duplicate sources.list entry http://br.archive.ubuntu.com/ubuntu/ utopic/restricted i386 Packages (/var/lib/apt/lists/br.archive.ubuntu.com_ubuntu_dists_utopic_restricted_binary-i386_Packages)
  W: Você terá que executar apt-get update para corrigir estes problemas

  I'v try remove the duplicate pack and also try autoremovebut doesnt
  work

  Description:	Ubuntu 14.10
  Release:	14.10

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.9
  ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Tue Feb  3 22:35:26 2015
  InstallationDate: Installed on 2015-02-01 (2 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=pt_BR:pt:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=pt_BR.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  Symptom: dist-upgrade
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.14.7-0ubuntu8.2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.10
  InstallationDate: Installed on 2015-02-01 (8 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  Package: ubuntu-release-upgrader (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
  Tags:  utopic dist-upgrade
  Uname: Linux 3.16.0-30-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom debian-tor dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True

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