[Bug 1535035] Re: i have been trying to upgrade to 15.10 from 14.04 lts and it says error some atuhenticate packages . please i need help . i thought deleting them would help but it didnt

[Brian Murray]

The error message from Mainlog.txt follows:

85 2016-01-16 23:04:33,325 DEBUG plugins for condition 'from_trustyPostDistUpgradeCache' are '[]'
 86 2016-01-16 23:04:33,326 DEBUG none of the '['ubuntu-desktop', 'kubuntu-desktop', 'xubuntu-core', 'xubuntu-desktop', 'ubuntustudio-desktop', 'mythbuntu-deskto    p', 'kubuntu-netbook', 'lubuntu-core', 'lubuntu-desktop', 'ubuntu-gnome-desktop']' meta-pkgs installed
 87 2016-01-16 23:04:33,326 DEBUG guessing 'ubuntu-desktop' as missing meta-pkg
 88 2016-01-16 23:04:35,380 ERROR failed to mark 'ubuntu-desktop' for install (E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held     packages.)
 89 2016-01-16 23:04:35,608 DEBUG blacklist expr 'unity$' matches 'unity'
 90 2016-01-16 23:04:35,608 DEBUG The package 'unity' is marked for removal but it's in the removal blacklist

Please install one of the meta-pkgs for the upgrade to be calculated
successfully. You probably want ubuntu-desktop.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1535035

Title:
  i have been trying to upgrade to 15.10 from 14.04 lts and it says
  error some atuhenticate packages . please i need help . i thought
  deleting them would help but it didnt

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

Bug description:
  Description:	Ubuntu 14.04.3 LTS
  Release:	14.04

  N: Unable to locate package pkgname

  i wanted to upgrade to 15.10

  
  it says error  cant authencate some packages

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.19.0-46.52~14.04.1-generic 3.19.8-ckt12
  Uname: Linux 3.19.0-46-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sat Jan 16 23:14:40 2016
  InstallationDate: Installed on 2015-09-02 (136 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-17 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-16T21:36:30.658467

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