software-center crashed with signal 5 in _XReadEvents() failed to load 'recommended'

I was just waiting for the remainder of sw-c to load. It stopped at 'recommended for you'.
reopened with terminal, worked fine

david@david-GT5411E:~$ software-center
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 14: reading configurations from ~/.fonts.conf is deprecated.
/usr/lib/python2.7/dist-packages/gi/types.py:226: RuntimeWarning: Mixin class softwarecenter.ui.gtk3.widgets.stars.StarRenderer is an old style class, please update this to derive from "object".
  RuntimeWarning)
/usr/lib/python2.7/dist-packages/gi/types.py:226: RuntimeWarning: Mixin class softwarecenter.ui.gtk3.widgets.stars.ShapeStar is an old style class, please update this to derive from "object".
  RuntimeWarning)
2013-08-06 13:24:13,242 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
2013-08-06 13:24:14,345 - softwarecenter.plugin - INFO - activating plugin '<module 'webapps_activation' from '/usr/share/software-center/softwarecenter/plugins/webapps_activation.pyc'>'
2013-08-06 13:24:14,364 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')'
2013-08-06 13:24:14,364 - root - ERROR - Could not find any typelib for LaunchpadIntegration
2013-08-06 13:24:14,553 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
2013-08-06 13:24:21,754 - softwarecenter.db.utils - INFO - software-center-agent finished with status 0
2013-08-06 13:25:02,099 - softwarecenter.backend.recagent - INFO - Submitting recommendations profile to the server

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: software-center 13.07-0ubuntu4
ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3
Uname: Linux 3.10.0-6-generic i686
ApportVersion: 2.12-0ubuntu3
Architecture: i386
CrashCounter: 1
Date: Tue Aug 6 13:18:06 2013
ExecutablePath: /usr/share/software-center/software-center
InstallationDate: Installed on 2013-08-05 (1 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Alpha i386 (20130804)
InterpreterPath: /usr/bin/python2.7
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 5
SourcePackage: software-center
StacktraceTop:
 ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
 ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
 _XReadEvents () from /usr/lib/i386-linux-gnu/libX11.so.6
 ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2
 ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2
Title: software-center crashed with signal 5 in _XReadEvents()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo