I tried to reinstall an older version. Only roll back of the network- manager-gnome didn't work. Only after roll back of the network-manager in addition I was sucessful.
-- after last update the network manager does not connect to wireless network https://bugs.launchpad.net/bugs/527313 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