I have the same problem, but I actually update the system and it when it happened
To me, terminal show ben@ben-U31F:~$ software-center 2012-09-08 17:59:27,126 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2012-09-08 17:59:27,230 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True (software-center:8107): Gtk-WARNING **: Theme parsing error: softwarecenter.css:34:20: Not using units is deprecated. Assuming 'px'. (software-center:8107): Gtk-WARNING **: Theme parsing error: softwarecenter.css:34:22: Not using units is deprecated. Assuming 'px'. (software-center:8107): Gtk-WARNING **: Theme parsing error: softwarecenter.css:56:20: Not using units is deprecated. Assuming 'px'. (software-center:8107): Gtk-WARNING **: Theme parsing error: softwarecenter.css:56:22: Not using units is deprecated. Assuming 'px'. (software-center:8107): Gtk-WARNING **: Theme parsing error: softwarecenter.css:60:20: Not using units is deprecated. Assuming 'px'. (software-center:8107): Gtk-WARNING **: Theme parsing error: softwarecenter.css:60:22: Not using units is deprecated. Assuming 'px'. 2012-09-08 17:59:27,827 - softwarecenter.region - WARNING - failed to use geoclue: 'org.freedesktop.Geoclue.Error.notAvailable: Geoclue master client has no usable Address providers' 2012-09-08 17:59:29,434 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file 2012-09-08 17:59:29,486 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')' 2012-09-08 17:59:29,486 - root - ERROR - Could not find any typelib for LaunchpadIntegration 2012-09-08 17:59:29,607 - softwarecenter.ui.gtk3.app - INFO - show_available_packages: search_text is '', app is None. 2012-09-08 17:59:29,660 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open() Traceback (most recent call last): File "/usr/bin/software-center", line 185, in <module> app.run(args) File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1418, in run self.show_available_packages(args) File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1356, in show_available_packages self.view_manager.set_active_view(ViewPages.AVAILABLE) File "/usr/share/software-center/softwarecenter/ui/gtk3/session/viewmanager.py", line 151, in set_active_view view_widget.init_view() File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 142, in init_view SoftwarePane.init_view(self) File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/softwarepane.py", line 156, in init_view from softwarecenter.ui.gtk3.views.appdetailsview import ( File "/usr/share/software-center/softwarecenter/ui/gtk3/views/appdetailsview.py", line 57, in <module> from softwarecenter.ui.gtk3.widgets.labels import HardwareRequirementsBox File "/usr/share/software-center/softwarecenter/ui/gtk3/widgets/labels.py", line 25, in <module> class HardwareRequirementsLabel(Gtk.HBox): File "/usr/share/software-center/softwarecenter/ui/gtk3/widgets/labels.py", line 34, in HardwareRequirementsLabel 'no': u'<span foreground="red">%s</span>' % _(u'\u2718'), UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 0: ordinal not in range(128) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1043788 Title: software-center crash with 12.10 DatabaseOpeningError: Couldn't detect type of database To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1043788/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs