The error report midway the installation stage said it could not install the update-manager, because it is already installed. Attached you find the output of the command window at the end of the installation stage.
-------------------------------------------------------- Fehler traten auf beim Bearbeiten von: update-manager Traceback (most recent call last): File "logging/__init__.py", line 753, in emit self.flush() File "logging/__init__.py", line 731, in flush self.stream.flush() IOError: [Errno 9] Bad file descriptor Traceback (most recent call last): File "logging/__init__.py", line 753, in emit self.flush() File "logging/__init__.py", line 731, in flush self.stream.flush() IOError: [Errno 9] Bad file descriptor Traceback (most recent call last): File "logging/__init__.py", line 753, in emit self.flush() File "logging/__init__.py", line 731, in flush self.stream.flush() IOError: [Errno 9] Bad file descriptor -- package update-manager 1:0.81 failed to install/upgrade: subprocess pre-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/196356 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