Marking as Invalid because the release is EOL is not correct. Marking as Incomplete. Also, 18.04 is (at the time of writing) still in development, and you should expect some breakage. https://wiki.ubuntu.com/Bugs/Responses#Release_has_reached_End_of_Life_.28EOL.29
Reporter, is this still present on 17.10 or 16.04? ** Changed in: apport (Ubuntu) Status: Invalid => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apport in Ubuntu. https://bugs.launchpad.net/bugs/1686840 Title: package python3-problem-report 2.20.3-0ubuntu8.2 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1 Status in apport package in Ubuntu: Incomplete Bug description: Happens on every startup, and multiple times. But the system runs without other issues ProblemType: Package DistroRelease: Ubuntu 16.10 Package: python3-problem-report 2.20.3-0ubuntu8.2 ProcVersionSignature: Ubuntu 4.8.0-49.52-generic 4.8.17 Uname: Linux 4.8.0-49-generic x86_64 ApportVersion: 2.20.3-0ubuntu8.2 Architecture: amd64 Date: Thu Apr 27 22:52:10 2017 Dependencies: ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1 InstallationDate: Installed on 2016-11-07 (171 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.10ubuntu1.1 apt 1.3.5 SourcePackage: apport Title: package python3-problem-report 2.20.3-0ubuntu8.2 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1686840/+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