The maverick version crashes as well, I did the apport-collect thing, I hope it will be of use to you. If the report indicates that nm-applet is running happily, it's because I had to use the workaround to get online to report the crash, as it is currently my only option to get online.
** Changed in: network-manager-applet (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721106 Title: nm-applet crashes with assertion error in applet-device- gsm.c:769:gsm_get_secrets -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs