*** This bug is a duplicate of bug 1767402 *** https://bugs.launchpad.net/bugs/1767402
I have the same problem while trying to install virtualbox-ext-pack on Ubuntu 18.04. Now everytime I do apt-get update, I get an error, because it tries to install the extension pack again. Removing or purging the package doesn't work, because I also get an error: sudo apt-get purge virtualbox-ext-pack Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED virtualbox-ext-pack* 0 to upgrade, 0 to newly install, 1 to remove and 0 not to upgrade. 1 not fully installed or removed. After this operation, 128 kB disk space will be freed. Do you want to continue? [Y/n] y (Reading database ... 359582 files and directories currently installed.) Removing virtualbox-ext-pack (5.2.10-3ubuntu18.04.1) ... 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% Successfully uninstalled "Oracle VM VirtualBox Extension Pack". VBoxManage: error: The installer failed with exit code 1: VBoxExtPackHelperApp: error: The owner is not root: '/usr' VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ExtPackManagerWrap, interface IExtPackManager, callee nsISupports VBoxManage: error: Context: "Cleanup()" at line 1261 of file VBoxManageMisc.cpp dpkg: error processing package virtualbox-ext-pack (--remove): installed virtualbox-ext-pack package pre-removal script subprocess returned error exit status 1 Errors were encountered while processing: virtualbox-ext-pack E: Sub-process /usr/bin/dpkg returned an error code (1) Can anyone tell me how to remove he package, so that I don't get the error every time I update my packages? clean, autoclean, purge, remove, dpkg --remove... all didn't work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768042 Title: package virtualbox-ext-pack (not installed) failed to install/upgrade: installed virtualbox-ext-pack package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox-ext-pack/+bug/1768042/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs