package libx11-6:i386 2:1.6.3-1ubuntu2.1 failed to install/upgrade: package libx11-6:i386 is already installed and configured

[Elizabeth Virginia Donavan]

This occurred during the recent update. The machine is a MacBook with a 250 gig ssd drive, and 8 gigs of RAM.

I also noted that in the recent version there are problems with the track pad. "Turn off trackpad while typing" does not work, and remains on. This is also true with an Acer computer that is here, and the only way to make it functional is to turn the track pad off completely and use a mouse.

I noted in the MacOS that bumping the trackpad with the heel of your hand has no effect, while one or two fingers are detected. Is it possible to change the coding so that it is looking at a smaller active area on the track pad? That would help immensely, or even using a hot key for toggling the track pad on and off, either an F key or something not normally used?

Thanks,
Eliza

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libx11-6:i386 2:1.6.3-1ubuntu2.1
ProcVersionSignature: Ubuntu 4.4.0-134.160-generic 4.4.140
Uname: Linux 4.4.0-134-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.18
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: i386
Date: Sat Sep 1 12:03:51 2018
DuplicateSignature:
 package:libx11-6:i386:2:1.6.3-1ubuntu2.1
 Processing triggers for dbus (1.10.6-1ubuntu3.3) ...
 dpkg: error processing package libx11-data (--configure):
  package libx11-data is already installed and configured
ErrorMessage: package libx11-6:i386 is already installed and configured
InstallationDate: Installed on 2016-06-22 (800 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.27
SourcePackage: dpkg
Title: package libx11-6:i386 2:1.6.3-1ubuntu2.1 failed to install/upgrade: package libx11-6:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.