I can not open Software Center. when i tried to open with terminal it shows following error.
developer@shantanu-desktop:~$ software-center 2011-10-22 18:51:29,178 - softwarecenter.ui.gtk3.em - INFO - EM's: 17 15 21 2011-10-22 18:51:54,355 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/dbus/proxies.py', 406, '_introspect_error_handler')' 2011-10-22 18:51:54,354 - dbus.proxies - ERROR - Introspect error on :1.120:/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. 2011-10-22 18:52:20,000 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file 2011-10-22 18:52:20,110 - softwarecenter.ui.gtk3.utils - INFO - Softwarecenter style provider for ambiance Gtk theme: /usr/share/software-center/ui/gtk3/css/softwarecenter.css
Another problem is i can not search any application in dash. When i search just recent files are shown. No apps in More application option. But every apps work (open from /usr/share/applications). It happens after reboot.