I have the same problem, and I do not have Oracle's version installed. This should be re-opened.
$ dpkg -l virtualbox dpkg-query: no packages found matching virtualbox sudo apt-get install virtualbox-ext-pack unity-scope-virtualbox virtualbox virtualbox-dkms virtualbox-guest-additions-iso virtualbox-qt ... Errors were encountered while processing: virtualbox-ext-pack $ dpkg -l virtualbox\* | grep '^i' ii virtualbox 5.0.24-dfsg-0ubuntu1.16.04.1 amd64 x86 virtualization solution - base binaries ii virtualbox-dkms 5.0.24-dfsg-0ubuntu1.16.04.1 all x86 virtualization solution - kernel module sources for dkms iF virtualbox-ext-pack 5.0.24-0ubuntu1.16.04.1 all extra capabilities for VirtualBox, downloader. ii virtualbox-guest-additions-iso 5.0.24-0ubuntu1.16.04.1 all guest additions iso image for VirtualBox ii virtualbox-qt 5.0.24-dfsg-0ubuntu1.16.04.1 amd64 x86 virtualization solution - Qt based user interface $ sudo apt-get install virtualbox-ext-pack Reading package lists... Done Building dependency tree Reading state information... Done virtualbox-ext-pack is already the newest version (5.0.24-0ubuntu1.16.04.1). The following packages were automatically installed and are no longer required: linux-headers-4.4.0-45 linux-headers-4.4.0-45-generic linux-image-4.4.0-45-generic linux-image-extra-4.4.0-45-generic linux-tools-4.4.0-45 linux-tools-4.4.0-45-generic Use 'sudo apt autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 8 not upgraded. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] y Setting up virtualbox-ext-pack (5.0.24-0ubuntu1.16.04.1) ... virtualbox-ext-pack: downloading: http://download.virtualbox.org/virtualbox/5.0.24/Oracle_VM_VirtualBox_Extension_Pack-5.0.24.vbox-extpack The file will be downloaded into /usr/share/virtualbox-ext-pack Hash mismatch Oracle_VM_VirtualBox_Extension_Pack-5.0.24.vbox-extpack dpkg: error processing package virtualbox-ext-pack (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: virtualbox-ext-pack E: Sub-process /usr/bin/dpkg returned an error code (1) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1605799 Title: package virtualbox-ext-pack 5.0.24-0ubuntu1.16.04.1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox-ext-pack/+bug/1605799/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
