sudo apt-get install -f

konrad@konrad ~> sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-4.4.0-31 linux-headers-4.4.0-31-generic linux-headers-4.4.0-38
  linux-headers-4.4.0-38-generic linux-image-4.4.0-31-generic linux-image-4.4.0-38-generic
  linux-image-extra-4.4.0-31-generic linux-image-extra-4.4.0-38-generic
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 9 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up google-chrome-stable (54.0.2840.71-1) ...
update-alternatives: error: /var/lib/dpkg/alternatives/x-www-browser corrupt: unexpected end of file while trying to read slave link
dpkg: error processing package google-chrome-stable (--configure):
 subprocess installed post-installation script returned error exit status 2
Setting up firefox (49.0+build4-0ubuntu0.16.04.1) ...
update-alternatives: error: /var/lib/dpkg/alternatives/x-www-browser corrupt: unexpected end of file while trying to read slave link
dpkg: error processing package firefox (--configure):
 subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
 google-chrome-stable
 firefox
E: Sub-process /usr/bin/dpkg returned an error code (1)