appgrid.py crashed with FileNotFoundError in open(): [Errno 2] No such file or directory: '/usr/share/applications/display.im6.desktop'

appgrid crashed when i tried to install image magic

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: appgrid 0.213 [origin: LP-PPA-appgrid-stable]
ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
Uname: Linux 3.13.0-45-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
CrashDB: {"impl": "launchpad", "project": "appgrid"}
CurrentDesktop: XFCE
Date: Mon Feb 9 00:35:48 2015
ExecutablePath: /usr/share/appgrid/appgrid.py
InstallationDate: Installed on 2015-02-05 (4 days ago)
InstallationMedia: ChaletOS 14.04 - Release amd64
InterpreterPath: /usr/bin/python3.4
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/share/appgrid/appgrid.py
PythonArgs: ['/usr/share/appgrid/appgrid.py']
SourcePackage: appgrid
Title: appgrid.py crashed with FileNotFoundError in open(): [Errno 2] No such file or directory: '/usr/share/applications/display.im6.desktop'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip disk lpadmin plugdev sambashare sudo