[Bug 1700470] [NEW] I can not update to 17.04 successfully or comletely

[regulust]

Public bug reported:

Weeks ago, I used "sudo apt update && sudo apt dist-upgrade" to update my Ubuntu core from 16.10 to 17.04.
But after then, I cannot open System update in System Setting. (Click the System Update and it will crash)
So I thought maybe the updating progress did not finish completely and I want to use the update command again. But it give the negative result.

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: ubuntu-release-upgrader-core 1:16.10.10
ProcVersionSignature: Ubuntu 4.8.0-53.56-generic 4.8.17
Uname: Linux 4.8.0-53-generic x86_64
ApportVersion: 2.20.3-0ubuntu8.3
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Mon Jun 26 15:08:50 2017
InstallationDate: Installed on 2017-01-16 (160 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to zesty on 2017-06-26 (0 days ago)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade third-party-packages zesty

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https://bugs.launchpad.net/bugs/1700470

Title:
  I can not update to 17.04 successfully or comletely

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

Bug description:
  Weeks ago, I used "sudo apt update && sudo apt dist-upgrade" to update my Ubuntu core from 16.10 to 17.04.
  But after then, I cannot open System update in System Setting. (Click the System Update and it will crash)
  So I thought maybe the updating progress did not finish completely and I want to use the update command again. But it give the negative result.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: ubuntu-release-upgrader-core 1:16.10.10
  ProcVersionSignature: Ubuntu 4.8.0-53.56-generic 4.8.17
  Uname: Linux 4.8.0-53-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8.3
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon Jun 26 15:08:50 2017
  InstallationDate: Installed on 2017-01-16 (160 days ago)
  InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to zesty on 2017-06-26 (0 days ago)

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