package libmono-webbrowser4.0-cil 4.2.1.102+dfsg2-7ubuntu4 failed to install/upgrade: package libmono-webbrowser4.0-cil is not ready for configuration cannot configure (current status 'half-installed')

can't automatically update software. I get a crash report every time.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libmono-webbrowser4.0-cil 4.2.1.102+dfsg2-7ubuntu4
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Mon Jun 20 09:53:07 2016
DuplicateSignature:
 Unpacking libmono-system-web-services4.0-cil (4.2.1.102+dfsg2-7ubuntu4) ...
 dpkg: error processing package libmono-webbrowser4.0-cil (--configure):
  package libmono-webbrowser4.0-cil is not ready for configuration
ErrorMessage: package libmono-webbrowser4.0-cil is not ready for configuration cannot configure (current status 'half-installed')
InstallationDate: Installed on 2016-05-19 (31 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.10ubuntu1
SourcePackage: mono
Title: package libmono-webbrowser4.0-cil 4.2.1.102+dfsg2-7ubuntu4 failed to install/upgrade: package libmono-webbrowser4.0-cil is not ready for configuration cannot configure (current status 'half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)