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2013-04-03 19:25:58,551 - - INFO - setting up proxy 'None'
2013-04-03 19:25:58,561 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True
2013-04-03 19:25:59,468 - - WARNING - Could not get usefulness from server, no username in config file
2013-04-03 19:25:59,476 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/', 51, 'find_module')'
2013-04-03 19:25:59,476 - root - ERROR - Could not find any typelib for LaunchpadIntegration
2013-04-03 19:25:59,585 - - INFO - show_available_packages: search_text is '', app is None.
2013-04-03 19:25:59,590 - softwarecenter.db.pkginfo_impl.aptcache - INFO -

** (software-center:5904): WARNING **: Failed to load shared library '' referenced by the typelib: libwebkitgtk-3.0.soso: cannot open shared object file: No such file or directory
/usr/share/software-center/softwarecenter/ui/gtk3/widgets/ Warning: cannot retrieve class for invalid (unclassed) type `void'
  self.webkit = WebKit.WebView()
Traceback (most recent call last):
  File "/usr/bin/software-center", line 182, in <module>
  File "/usr/share/software-center/softwarecenter/ui/gtk3/", line 1387, in run
  File "/usr/share/software-center/softwarecenter/ui/gtk3/", line 1325, in show_available_packages
  File "/usr/share/software-center/softwarecenter/ui/gtk3/session/", line 151, in set_active_view
  File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/", line 139, in init_view
  File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/", line 161, in init_view
  File "/usr/share/software-center/softwarecenter/ui/gtk3/views/", line 884, in __init__
  File "/usr/share/software-center/softwarecenter/ui/gtk3/views/", line 1219, in _layout_page
    self.videoplayer = VideoPlayer()
  File "/usr/share/software-center/softwarecenter/ui/gtk3/widgets/", line 42, in __init__
    self.webkit = WebKit.WebView()
TypeError: could not get a reference to type class
share|improve this question

open your terminal and do this

 sudo apt-get install --reinstall libwebkitgtk-3.0-0

then try again.

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