updating from http://us.archive.ubuntu.com/ubuntu/ vivid main I get the same error.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to init-system-helpers in Ubuntu. https://bugs.launchpad.net/bugs/1439988 Title: package init-system-helpers 1.22ubuntu4 failed to install/upgrade: trying to overwrite '/lib/init/apparmor-profile-load', which is also in package upstart-bin 1.13.2-0ubuntu9 Status in init-system-helpers package in Ubuntu: Invalid Bug description: x ProblemType: Package DistroRelease: Ubuntu 15.04 Package: init-system-helpers 1.22ubuntu4 ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1 Uname: Linux 3.19.0-9-generic x86_64 ApportVersion: 2.16.2-0ubuntu4 Architecture: amd64 Date: Fri Apr 3 10:20:08 2015 DpkgTerminalLog: Preparing to unpack .../init-system-helpers_1.22ubuntu6_all.deb ... Unpacking init-system-helpers (1.22ubuntu6) over (1.22ubuntu4) ... dpkg: error processing archive /var/cache/apt/archives/init-system-helpers_1.22ubuntu6_all.deb (--unpack): trying to overwrite '/lib/init/apparmor-profile-load', which is also in package upstart-bin 1.13.2-0ubuntu9 DuplicateSignature: package:init-system-helpers:1.22ubuntu4:trying to overwrite '/lib/init/apparmor-profile-load', which is also in package upstart-bin 1.13.2-0ubuntu9 ErrorMessage: trying to overwrite '/lib/init/apparmor-profile-load', which is also in package upstart-bin 1.13.2-0ubuntu9 InstallationDate: Installed on 2015-03-21 (12 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150321) PackageArchitecture: all RelatedPackageVersions: dpkg 1.17.24ubuntu1 apt 1.0.9.7ubuntu3 SourcePackage: init-system-helpers Title: package init-system-helpers 1.22ubuntu4 failed to install/upgrade: trying to overwrite '/lib/init/apparmor-profile-load', which is also in package upstart-bin 1.13.2-0ubuntu9 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/init-system-helpers/+bug/1439988/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp