Something happened to my laptop during an update it seems and I have been experiencing MANY issues with apt-get and dpkg trying to update packages due to unmet dependencies.
Everything I have found so far has not helped, but I have improved my situation slightly. I have tried
apt-get --fix-broken-install, have tried very command recommended and then some.
I am about to reinstall but I recently got my desktop the way I want it and really don't want to lose the progress.
OS: Ubuntu 18.04LTS with Pop! GTK Theme
Computer: Asus G75VW with core i7 3430qm, and Nvidia Geforce Gtx 660M
$ dpkg --audit The following packages have been unpacked but not yet configured. They must be configured using dpkg --configure or the configure menu option in dselect for them to work: libnvidia-ifr1-396:amd64 NVIDIA OpenGL-based Inband Frame Readback runtime library libnvidia-ifr1-396:i386 NVIDIA OpenGL-based Inband Frame Readback runtime library nvidia-390 Transitional package for nvidia-driver-390 nvidia-driver-390 Transitional package for nvidia-driver-396 nvidia-driver-396 NVIDIA driver metapackage The following packages have been triggered, but the trigger processing has not yet been done. Trigger processing can be requested using dselect or dpkg --configure --pending (or dpkg --triggers-only): libc-bin GNU C Library: Binaries The following packages are missing the list control file in the database, they need to be reinstalled: libnvidia-common-390 Transitional package for libnvidia-common-396 libnvidia-common-396 Shared files used by the NVIDIA libraries The following packages are missing the md5sums control file in the database, they need to be reinstalled: libnvidia-common-390 Transitional package for libnvidia-common-396 libnvidia-common-396 Shared files used by the NVIDIA libraries