I addition, this is the error which I got (ran it from cli, so got some output):
Traceback (most recent call last): File "/usr/share/software-center/softwarecenter/view/widgets/wkwidget.py", line 126, in _on_title_changed f(*args_list) File "/usr/share/software-center/softwarecenter/view/appdetailsview.py", line 406, in on_button_install_clicked self._run_transaction(trans) File "/usr/share/software-center/softwarecenter/view/appdetailsview.py", line 563, in _run_transaction reply_handler=self._on_trans_reply) TypeError: run() got an unexpected keyword argument 'error_handler' ERROR:root:error in _on_trans_finished 'ERROR: Task cannot be monitored or controlled The connection to the daemon was lost. Most likely the background daemon crashed. It seems that the daemon died.' I don't know if it is related, but I got this error when I installed the application: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/444089 -- software-center crashed with TypeError in _run_transaction() https://bugs.launchpad.net/bugs/443994 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs