Ubuntu 14.04 reached end of standard support in April 2019:
https://wiki.ubuntu.com/Releases
If you would like to continue with free support then please update to a
newer Ubuntu version and tell us if the problem still occurs.
If you would like to continue with Ubuntu 14.04 then there is a
See also: bug 1682731
** Summary changed:
- package bluez 4.101-0ubuntu13.1 failed to install/upgrade: subprocess
installed post-installation script returned error exit status 1
+ package bluez 4.101-0ubuntu13.1 failed to install/upgrade: subprocess
installed post-installation script returned
