subprocess installed post-installation script returned error

I was just navigating with mozilla and crash! the installation module stoped and the browser too.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: runit 2.1.2-3ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-37.42~16.04.1-generic 4.13.13
Uname: Linux 4.13.0-37-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
Date: Tue Apr 10 04:39:40 2018
Dependencies:
 fgetty 0.7-1
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu10
 libgcc1 1:6.0.1-0ubuntu1
DuplicateSignature:
 package:runit:2.1.2-3ubuntu1
 Setting up runit (2.1.2-3ubuntu1) ...
 start: Imposible conectar con Upstar: Failed to connect to socket /com/ubuntu/upstart: Conexión rehusada
 dpkg: error processing package runit (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-03-20 (385 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.26
SourcePackage: runit
Title: package runit 2.1.2-3ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)