Seems like it was reported on https://bugzilla.gnome.org/show_bug.cgi?id=699291 ... do you gnome-shell as well?
** Changed in: gnome-control-center (Ubuntu) Importance: Undecided => Low ** Changed in: gnome-control-center (Ubuntu) Status: New => Triaged ** Bug watch added: GNOME Bug Tracker #699291 https://bugzilla.gnome.org/show_bug.cgi?id=699291 ** Also affects: gnome-control-center via https://bugzilla.gnome.org/show_bug.cgi?id=699291 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1242740 Title: Wifi connection guide freezes on "No Certificate Authority certificate chosen" dialogue Status in GNOME Control Center: Unknown Status in “gnome-control-center” package in Ubuntu: Triaged Bug description: Trying to connect to a wireless network protected by WPA Enterprise, after filling out all the information and hitting "Connect", the system warns that "No Certificate Authority certificate chosen", which is correct. The modal dialogue freezes, leaving me unable to click "Ignore" and proceed to connect. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: gnome-control-center 1:3.6.3-0ubuntu44 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.12.5-0ubuntu2 Architecture: amd64 Date: Mon Oct 21 16:52:36 2013 ExecutablePath: /usr/bin/gnome-control-center InstallationDate: Installed on 2013-10-20 (0 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MarkForUpload: True SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) usr_lib_gnome-control-center: activity-log-manager 0.9.7-0ubuntu4 deja-dup 27.3.1-0ubuntu1 gnome-control-center-datetime 13.10.0+13.10.20131016.2-0ubuntu1 gnome-control-center-signon 0.1.7~+13.10.20130724.1-0ubuntu1 gnome-control-center-unity 1.3+13.10.20131004-0ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/1242740/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp