gnome-shell crashed with signal 5

[Majord51]

Occurred while using Software Updated immediately after booting up the computer.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.0-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
CurrentDesktop: GNOME-Greeter:GNOME
Date: Tue Apr 10 00:44:57 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:

InstallationDate: Installed on 2015-01-21 (1174 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/false
Signal: 5
SourcePackage: gnome-shell
StacktraceTop:
 () at /usr/lib/x86_64-linux-gnu/libmutter-2.so.0
 _XIOError () at /usr/lib/x86_64-linux-gnu/libX11.so.6
 _XEventsQueued () at /usr/lib/x86_64-linux-gnu/libX11.so.6
 XPending () at /usr/lib/x86_64-linux-gnu/libX11.so.6
 () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
Title: gnome-shell crashed with signal 5
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1748450, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.