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I am new to Ubuntu, just today I was trying to download a program with a ppa, crebs, and it did not work; not only that, the software center doesn't work either, and I can't get it from the internet to reinstall.

Here's the error message that I get in the terminal:

software-center

2014-07-17 14:56:40,835 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'

2014-07-17 14:56:41,230 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file

2014-07-17 14:56:41,233 - softwarecenter.plugin - INFO - activating plugin '<module 'webapps_activation' from '/usr/share/software-center/softwarecenter/plugins/webapps_activation.pyc'>'

2014-07-17 14:56:41,238 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')'

2014-07-17 14:56:41,238 - root - ERROR - Could not find any typelib for LaunchpadIntegration

2014-07-17 14:56:41,283 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()

2014-07-17 14:56:41,712 - softwarecenter.backend.reviews - WARNING - error creating bsddb: '(22, 'Invalid argument -- BDB0054 illegal flag combination specified to DB_ENV->open')' (corrupted?)

2014-07-17 14:56:41,712 - 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 151, in open
self._cache = apt_pkg.Cache(progress)

SystemError: E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en, E:The package lists or status file could not be parsed or opened.
2014-07-17 14:56:43,162 - 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 <module>
app.run(args)
File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1378, in run
self.show_available_packages(args)
File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1316, 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__'

Any idea, anyone?

0

1 Answer 1

0

Just use apt-get to install something. My first recommendation is to install Synaptic (sudo apt-get install synaptic) and just use Synaptic instead of Ubuntu Software Center (USC). You can do anything USC can do with Synaptic. You don't have to use Terminal anymore if you have Synaptic. You can configure your PPA in Synaptic plus so many features USC doesn't have yet, such as:

  • Proxy auth settings.
  • KB/s information when downloading
  • Create download script for offline installation.
  • and many more.

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