/usr/bin/unity-control-center:11:stop_shared_connection:stop_hotspot_response_cb:g_closure_invoke:signal_emit_unlocked_R:g_signal_emit_valist

The Ubuntu Error Tracker has been receiving reports about a problem regarding unity-control-center. This problem was most recently seen with package version 15.04.0+17.10.20170930-0ubuntu1, the problem page at https://errors.ubuntu.com/problem/9c59c17193b50981ecb65d420ecb8de2f7d3c9c6 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.