Public bug reported: This happened when I tried to start an Win 8.1 Virtual machine in VirtualBox.
ProblemType: Package DistroRelease: Ubuntu 15.10 Package: cgroupfs-mount 1.2 ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6 Uname: Linux 4.2.0-22-generic x86_64 ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 Date: Wed Dec 23 08:09:23 2015 Dependencies: lsb-base 4.1+Debian11ubuntu8 DuplicateSignature: package:cgroupfs-mount:1.2:subprocess installed post-installation script returned error exit status 1 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2015-11-18 (36 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.2ubuntu5.1 apt 1.0.10.2ubuntu1 SourcePackage: cgroupfs-mount Title: package cgroupfs-mount 1.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: cgroupfs-mount (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package need-duplicate-check wily -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1529196 Title: package cgroupfs-mount 1.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cgroupfs-mount/+bug/1529196/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs