Comment 4 for bug 1745758

Ok I opened a terminal and

sudo apt-get install -f

and got...

$ sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
6 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up linux-headers-4.13.0-32-generic (4.13.0-32.35) ...
Examining /etc/kernel/header_postinst.d.
run-parts: executing /etc/kernel/header_postinst.d/dkms 4.13.0-32-generic /boot/vmlinuz-4.13.0-32-generic
Error! Could not locate dkms.conf file.
File: does not exist.
run-parts: /etc/kernel/header_postinst.d/dkms exited with return code 4
Failed to process /etc/kernel/header_postinst.d at /var/lib/dpkg/info/linux-headers-4.13.0-32-generic.postinst line 110.
dpkg: error processing package linux-headers-4.13.0-32-generic (--configure):
 subprocess installed post-installation script returned error exit status 2
Setting up linux-image-4.13.0-32-generic (4.13.0-32.35) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
The link /initrd.img is a dangling linkto /boot/initrd.img-4.13.0-32-generic
vmlinuz(/boot/vmlinuz-4.13.0-32-generic
) points to /boot/vmlinuz-4.13.0-32-generic
 (/boot/vmlinuz-4.13.0-32-generic) -- doing nothing at /var/lib/dpkg/info/linux-image-4.13.0-32-generic.postinst line 491.
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.13.0-32-generic /boot/vmlinuz-4.13.0-32-generic
run-parts: executing /etc/kernel/postinst.d/dkms 4.13.0-32-generic /boot/vmlinuz-4.13.0-32-generic
Error! Could not locate dkms.conf file.
File: does not exist.
run-parts: /etc/kernel/postinst.d/dkms exited with return code 4
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-4.13.0-32-generic.postinst line 1052.
dpkg: error processing package linux-image-4.13.0-32-generic (--configure):
 subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of linux-image-extra-4.13.0-32-generic:
 linux-image-extra-4.13.0-32-generic depends on linux-image-4.13.0-32-generic; however:
  Package linux-image-4.13.0-32-generic is not configured yet.

dpkg: error processing package linux-image-extra-4.13.0-32-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-image-generic:
 linux-image-generic depends on linux-image-4.13.0-32-generic; however:
  Package linux-image-4.13.0-32-generic is not configured yet.
 linux-image-generic depends on linux-image-extra-4.13.0-32-generic; however:
  Package linux-image-extra-4.13.0-32-generic is not configured yet.

dpkg: error processing package linux-image-generic (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          No apport report written because MaxReports is reached already
                dpkg: dependency problems prevent configuration of linux-headers-generic:
 linux-headers-generic depends on linux-headers-4.13.0-32-generic; however:
  Package linux-headers-4.13.0-32-generic is not configured yet.

dpkg: error processing package linux-headers-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:
 linux-generic depends on linux-image-generic (= 4.13.0.32.34); however:
  Package linux-image-generic is not configured yet.
 linux-generic depends on linux-headers-generic (= 4.13.0.32.34); however:
  Package linux-headers-generic is not configured yet.

dpkg: error processing package linux-generic (--configure):
 dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
                                                              No apport report written because MaxReports is reached already
                                                                                                                            Errors were encountered while processing:
 linux-headers-4.13.0-32-generic
 linux-image-4.13.0-32-generic
 linux-image-extra-4.13.0-32-generic
 linux-image-generic
 linux-headers-generic
 linux-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)
bmullan@pc:~$

continuing with the rest of the suggested commands:

sudo apt-get clean
sudo apt-get update

and both of those have normal output.

However, trying to install any app after those (such as vlc) I get the same errors:

$ sudo apt-get install vlc
Reading package lists... Done
Building dependency tree
Reading state information... Done
vlc is already the newest version (2.2.6-6).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
6 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n]
Setting up linux-headers-4.13.0-32-generic (4.13.0-32.35) ...
Examining /etc/kernel/header_postinst.d.
run-parts: executing /etc/kernel/header_postinst.d/dkms 4.13.0-32-generic /boot/vmlinuz-4.13.0-32-generic
Error! Could not locate dkms.conf file.
File: does not exist.
run-parts: /etc/kernel/header_postinst.d/dkms exited with return code 4
Failed to process /etc/kernel/header_postinst.d at /var/lib/dpkg/info/linux-headers-4.13.0-32-generic.postinst line 110.
dpkg: error processing package linux-headers-4.13.0-32-generic (--configure):
 subprocess installed post-installation script returned error exit status 2
Setting up linux-image-4.13.0-32-generic (4.13.0-32.35) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
The link /initrd.img is a dangling linkto /boot/initrd.img-4.13.0-32-generic
vmlinuz(/boot/vmlinuz-4.13.0-32-generic
) points to /boot/vmlinuz-4.13.0-32-generic
 (/boot/vmlinuz-4.13.0-32-generic) -- doing nothing at /var/lib/dpkg/info/linux-image-4.13.0-32-generic.postinst line 491.
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.13.0-32-generic /boot/vmlinuz-4.13.0-32-generic
run-parts: executing /etc/kernel/postinst.d/dkms 4.13.0-32-generic /boot/vmlinuz-4.13.0-32-generic
Error! Could not locate dkms.conf file.
File: does not exist.
run-parts: /etc/kernel/postinst.d/dkms exited with return code 4
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-4.13.0-32-generic.postinst line 1052.
dpkg: error processing package linux-image-4.13.0-32-generic (--configure):
 subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of linux-image-extra-4.13.0-32-generic:
 linux-image-extra-4.13.0-32-generic depends on linux-image-4.13.0-32-generic; however:
  Package linux-image-4.13.0-32-generic is not configured yet.

dpkg: error processing package linux-image-extra-4.13.0-32-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-image-generic:
 linux-image-generic depends on linux-image-4.13.0-32-generic; however:
  Package linux-image-4.13.0-32-generic is not configured yet.
 linux-image-generic depends on linux-image-extra-4.13.0-32-generic; however:
  Package linux-image-extra-4.13.0-32-generic is not configured yet.

dpkg: error processing package linux-image-generic (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          No apport report written because MaxReports is reached already
                dpkg: dependency problems prevent configuration of linux-headers-generic:
 linux-headers-generic depends on linux-headers-4.13.0-32-generic; however:
  Package linux-headers-4.13.0-32-generic is not configured yet.

dpkg: error processing package linux-headers-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:
 linux-generic depends on linux-image-generic (= 4.13.0.32.34); however:
  Package linux-image-generic is not configured yet.
 linux-generic depends on linux-headers-generic (= 4.13.0.32.34); however:
  Package linux-headers-generic is not configured yet.

dpkg: error processing package linux-generic (--configure):
 dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
                                                              No apport report written because MaxReports is reached already
                                                                                                                            Errors were encountered while processing:
 linux-headers-4.13.0-32-generic
 linux-image-4.13.0-32-generic
 linux-image-extra-4.13.0-32-generic
 linux-image-generic
 linux-headers-generic
 linux-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)

bmullan@pc:~$