*** This bug is a duplicate of bug 84724 *** Please open a terminal, and run:
sudo chown -R martin:martin ~/.update-manager then please try again to run update-manager. -- [apport] update-manager crashed with IOError in download() https://launchpad.net/bugs/83404 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs