At 12.04 I launched software center from the launch pad, it came up but immediately hung up (grey screen). I sudo uninstalled / installed it, never even launched again. Today I upgraded to 12.10 but software center would not launch either.
Any idea for solution?
Messages in terminal:
2013-01-08 23:46:24,080 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/dbus/proxies.py', 410, '_introspect_error_handler')' 2013-01-08 23:46:24,079 - dbus.proxies - ERROR - Introspect error on :1.91:/com/ubuntu/Softwarecenter: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. 2013-01-08 23:46:49,179 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2013-01-08 23:46:49,226 - softwarecenter.db.database - INFO - open() database: path=None use_axi=True use_agent=True 2013-01-08 23:46:51,359 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file 2013-01-08 23:46:52,317 - softwarecenter.ui.gtk3.app - INFO - show_available_packages: search_text is '', app is None.