root@mower-VirtualBox:/home/m# apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  libllvm3.8
Use 'sudo apt autoremove' to remove it.
The following packages will be REMOVED:
  linux-image-extra-4.4.0-97-generic
0 upgraded, 0 newly installed, 1 to remove and 1 not upgraded.
1 not fully installed or removed.
After this operation, 153 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 240228 files and directories currently installed.)
Removing linux-image-extra-4.4.0-97-generic (4.4.0-97.120) ...
depmod: FATAL: could not load /boot/System.map-4.4.0-97-generic: No such file or directory
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-97-generic /boot/vmlinuz-4.4.0-97-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-97-generic /boot/vmlinuz-4.4.0-97-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-97-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-97-generic /boot/vmlinuz-4.4.0-97-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-97-generic /boot/vmlinuz-4.4.0-97-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-97-generic /boot/vmlinuz-4.4.0-97-generic
run-parts: executing /etc/kernel/postinst.d/vboxadd 4.4.0-97-generic /boot/vmlinuz-4.4.0-97-generic
run-parts: failed to exec /etc/kernel/postinst.d/vboxadd: Exec format error
run-parts: /etc/kernel/postinst.d/vboxadd exited with return code 1
dpkg: error processing package linux-image-extra-4.4.0-97-generic (--remove):
 subprocess installed post-removal script returned error exit status 1
Errors were encountered while processing:
 linux-image-extra-4.4.0-97-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@m-VirtualBox:/home/m#