Check if you are using third party repositories. If so disable them, since they are a common source of problems.
Furthermore run the following command in a Terminal: apt-get install -f
Transaction failed: The package system is broken
The following packages have unmet dependencies:
linux-image-generic-hwe-20.04: Depends: linux-modules-extra-5.4.0-28-generic but it is not installed
ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: linux-modules-extra-5.4.0-28-generic (not installed)
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
AptOrdering:
linux-modules-extra-5.4.0-28-generic:amd64: Install
linux-headers-5.4.0-28:amd64: Install
NULL: ConfigurePending
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: philipe 1304 F.... pulseaudio
CasperMD5CheckResult: skip
Date: Sat May 2 15:06:55 2020
DpkgTerminalLog:
Preparing to unpack .../linux-modules-extra-5.4.0-28-generic_5.4.0-28.32_amd64.deb ...
Unpacking linux-modules-extra-5.4.0-28-generic (5.4.0-28.32) ...
dpkg: error processing archive /var/cache/apt/archives/linux-modules-extra-5.4.0-28-generic_5.4.0-28.32_amd64.deb (--unpack):
unable to open '/lib/modules/5.4.0-28-generic/kernel/virtualbox-guest/vboxguest.ko.dpkg-new': Operation not permitted
DuplicateSignature:
package:linux-modules-extra-5.4.0-28-generic:(not installed)
Unpacking linux-modules-extra-5.4.0-28-generic (5.4.0-28.32) ...
dpkg: error processing archive /var/cache/apt/archives/linux-modules-extra-5.4.0-28-generic_5.4.0-28.32_amd64.deb (--unpack):
unable to open '/lib/modules/5.4.0-28-generic/kernel/virtualbox-guest/vboxguest.ko.dpkg-new': Operation not permitted
ErrorMessage: unable to open '/lib/modules/5.4.0-28-generic/kernel/virtualbox-guest/vboxguest.ko.dpkg-new': Operation not permitted
InstallationDate: Installed on 2020-04-27 (4 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0cf3:e007 Qualcomm Atheros Communications
Bus 001 Device 002: ID 1bcf:2b96 Sunplus Innovation Technology Inc. Integrated_Webcam_HD
Bus 001 Device 004: ID 0a5c:5832 Broadcom Corp. 5880
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. Latitude 5490
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-26-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions: grub-pc 2.04-1ubuntu26
SourcePackage: linux
Title: package linux-modules-extra-5.4.0-28-generic (not installed) failed to install/upgrade: unable to open '/lib/modules/5.4.0-28-generic/kernel/virtualbox-guest/vboxguest.ko.dpkg-new': Operation not permitted
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/08/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.12.1
dmi.board.name: 0798VN
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.12.1:bd11/08/2019:svnDellInc.:pnLatitude5490:pvr:rvnDellInc.:rn0798VN:rvrA01:cvnDellInc.:ct10:cvr:
dmi.product.family: Latitude
dmi.product.name: Latitude 5490
dmi.product.sku: 0816
dmi.sys.vendor: Dell Inc.
This change was made by a bot.