Traceback (most recent call last):
  File "/usr/bin/software-center", line 142, in <module>
    app = SoftwareCenterAppGtk3(datadir, xapian_base_path, options, args)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 353, in __init__
    self.on_review_stats_loaded)
  File "/usr/share/software-center/softwarecenter/backend/reviews/rnr.py", line 152, in refresh_review_stats
    "RatingsAndReviewsAPI", "review_stats", days=days_delta)
  File "/usr/share/software-center/softwarecenter/backend/spawn_helper.py", line 86, in run_generic_piston_helper
    self.run(cmd)
  File "/usr/share/software-center/softwarecenter/backend/spawn_helper.py", line 92, in run
    standard_output=True, standard_error=True)
GError: Не удалось выполнить процесс-потомок «/usr/share/software-center/piston_generic_helper.py» (Отказано в доступе)