I had this too. Downgrading to the old version of network-manager fixed it.
The new version also wouldn't connect to a manually configured wired network. -- nm-applet crashes on connecting to wlan (wpa-psk encryption) https://bugs.launchpad.net/bugs/268583 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