Public bug reported: Ubuntu 16.04.5 LTS (LXDE).
When trying to update the system online from 16/04 to 18/04, the following error will be issued: An unresolved issue occurred during the upgrade. It can be caused by: * Update to the test version of Ubuntu * Operation on the trial version of Ubuntu * Unofficial software packages not provided by Ubuntu ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ubuntu-release-upgrader-core 1:16.04.25 ProcVersionSignature: Ubuntu 4.4.0-135.161-generic 4.4.140 Uname: Linux 4.4.0-135-generic i686 NonfreeKernelModules: wl ApportVersion: 2.20.1-0ubuntu2.18 Architecture: i386 CrashDB: ubuntu CurrentDesktop: LXDE Date: Thu Sep 20 10:11:20 2018 InstallationDate: Installed on 2017-12-13 (280 days ago) InstallationMedia: Lubuntu 16.04.1 LTS "Xenial Xerus" - Release i386 (20160720) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to xenial on 2018-09-20 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug dist-upgrade i386 third-party-packages xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1793469 Title: The system can not be upgraded to version 18.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1793469/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs