Public bug reported: I really don't know what the bug is, but once I installed the app I got a pop-up to report the problem.
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: virtualbox-ext-pack 6.1.16-1~ubuntu1.20.04.1 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.4 Architecture: amd64 CasperMD5CheckResult: skip Date: Sat May 22 09:36:58 2021 ErrorMessage: new virtualbox-ext-pack package pre-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2021-05-21 (0 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) PackageArchitecture: all Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: N/A RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.2ubuntu0.1 SourcePackage: virtualbox-ext-pack Title: package virtualbox-ext-pack 6.1.16-1~ubuntu1.20.04.1 failed to install/upgrade: new virtualbox-ext-pack package pre-installation script subprocess returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: virtualbox-ext-pack (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929268 Title: package virtualbox-ext-pack 6.1.16-1~ubuntu1.20.04.1 failed to install/upgrade: new virtualbox-ext-pack package pre-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/1929268/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs