软件中心崩溃
每当我尝试运行Ubuntu软件中心时，它都会立即崩溃。 我去终端并输入’软件中心’，这是我得到的结果。 任何帮助。
2014-04-22 09:29:28,526 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None' 2014-04-22 09:29:28,987 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file 2014-04-22 09:29:28,990 - softwarecenter.plugin - INFO - activating plugin '' 2014-04-22 09:29:28,994 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')' 2014-04-22 09:29:28,994 - root - ERROR - Could not find any typelib for LaunchpadIntegration 2014-04-22 09:29:29,035 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open() 2014-04-22 09:29:29,604 - softwarecenter.backend.reviews - WARNING - error creating bsddb: '(22, 'Invalid argument -- BDB0054 illegal flag combination specified to DB_ENV->open')' (corrupted?) 2014-04-22 09:29:29,605 - softwarecenter.backend.reviews - ERROR - trying to repair DB failed Traceback (most recent call last): File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 358, in _save_review_stats_cache_blocking self._dump_bsddbm_for_unity(outfile, outdir) File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 377, in _dump_bsddbm_for_unity 0600) DBInvalidArgError: (22, 'Invalid argument -- BDB0054 illegal flag combination specified to DB_ENV->open') /usr/lib/python2.7/dist-packages/gi/overrides/GLib.py:535: Warning: Source ID 68 was not found when attempting to remove it return super(MainContext, self).iteration(may_block) Traceback (most recent call last): File "/usr/share/software-center/softwarecenter/db/pkginfo_impl/aptcache.py", line 261, in open self._cache = apt.Cache(progress) File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 107, in __init__ self.open(progress) File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 155, in open self._list.read_main_list() SystemError: E:Type 'sudo' is not known on line 57 in source list /etc/apt/sources.list 2014-04-22 09:29:30,054 - softwarecenter.db.enquire - ERROR - _get_estimate_nr_apps_and_nr_pkgs failed Traceback (most recent call last): File "/usr/share/software-center/softwarecenter/db/enquire.py", line 115, in _get_estimate_nr_apps_and_nr_pkgs tmp_matches = enquire.get_mset(0, len(self.db), None, xfilter) File "/usr/share/software-center/softwarecenter/db/appfilter.py", line 89, in __call__ if (not pkgname in self.cache and File "/usr/share/software-center/softwarecenter/db/pkginfo_impl/aptcache.py", line 281, in __contains__ return self._cache.__contains__(k) AttributeError: 'NoneType' object has no attribute '__contains__' Traceback (most recent call last): File "/usr/bin/software-center", line 183, in app.run(args) File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1375, in run self.show_available_packages(args) File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1313, in show_available_packages self.view_manager.set_active_view(ViewPages.AVAILABLE) File "/usr/share/software-center/softwarecenter/ui/gtk3/session/viewmanager.py", line 150, in set_active_view view_widget.init_view() File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 227, in init_view self.cache, self.db, self.icons, self.apps_filter) File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 80, in __init__ self.build() File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 326, in build self._build_homepage_view() File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 121, in _build_homepage_view self._append_whats_new() File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 255, in _append_whats_new whats_new_cat = self._update_whats_new_content() File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 240, in _update_whats_new_content docs = whats_new_cat.get_documents(self.db) File "/usr/share/software-center/softwarecenter/db/categories.py", line 131, in get_documents nonblocking_load=False) File "/usr/share/software-center/softwarecenter/db/enquire.py", line 330, in set_query self._blocking_perform_search() File "/usr/share/software-center/softwarecenter/db/enquire.py", line 225, in _blocking_perform_search matches = enquire.get_mset(0, self.limit, None, xfilter) File "/usr/share/software-center/softwarecenter/db/appfilter.py", line 89, in __call__ if (not pkgname in self.cache and File "/usr/share/software-center/softwarecenter/db/pkginfo_impl/aptcache.py", line 281, in __contains__ return self._cache.__contains__(k) AttributeError: 'NoneType' object has no attribute '__contains__' 尝试重新安装软件中心：
sudo apt-get purge software-center sudo apt-get install software-center
这是一个坏主意，但看看软件中心是否能够以root身份运行
gksudo software-center
PS：强烈建议不要以root身份运行软件中心，请查看此链接以获取更多信息。
如果您没有安装gksudo，请使用安装它
sudo apt-get install gksudo