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i'm a begginer of linux.
I've install the stable elementaryOS 6 Odin release: build-info When I try to open "network settings" from the tool on the sidebar or from the settings menu it always appear then close immediatly. see the gif below: https://s9.gifyu.com/images/network_settings_problem.gif

I don't know how to resolve it.

Update 09/02/2021
As @Goran suggest I've tried to launch sudo io.elementary.switchboard and then into the network settings but it close immediatly but on terminal appear this: (io.elementary.switchboard:2465): Gtk-CRITICAL **: 21:29:29.121: gtk_widget_realize: assertion 'widget->priv->anchored || GTK_IS_INVISIBLE (widget)' failed
**
Gtk:ERROR:../../../../gtk/gtkwidget.c:12412:gtk_widget_real_map: assertion failed: (_gtk_widget_get_realized (widget)) Bail out! Gtk:ERROR:../../../../gtk/gtkwidget.c:12412:gtk_widget_real_map: assertion failed: (_gtk_widget_get_realized (widget))

Update 08/30/2021:
I've tried to do a fresh install of elementary OS 6 on my laptop but seems the problem is also at the begin... I've a Dell Latitude E7270, I don't know if anyone else have the same problem. Thanks for help

Update 08/26/2021:
I take the last row of syslog in the last 5 mins when i try to open the network menu:
Aug 26 23:02:45 elementaryPC systemd[1]: Condition check resulted in Run anacron jobs being skipped.
Aug 26 23:05:08 elementaryPC gala[1690]: clutter_actor_remove_child: assertion 'CLUTTER_IS_ACTOR (child)' failed
Aug 26 23:05:08 elementaryPC gala[1690]: invalid (NULL) pointer instance
Aug 26 23:05:08 elementaryPC gala[1690]: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
Aug 26 23:05:08 elementaryPC io.elementary.wingpanel.desktop[3630]: **
Aug 26 23:05:08 elementaryPC io.elementary.wingpanel.desktop[3630]: Gtk:ERROR:../../../../gtk/gtkwidget.c:12412:gtk_widget_real_map: assertion failed: (_gtk_widget_get_realized (widget))
Aug 26 23:05:08 elementaryPC io.elementary.wingpanel.desktop[3630]: Bail out! Gtk:ERROR:../../../../gtk/gtkwidget.c:12412:gtk_widget_real_map: assertion failed: (_gtk_widget_get_realized (widget))
Aug 26 23:05:08 elementaryPC io.elementary.s[3630]: gtk_widget_realize: assertion 'widget->priv->anchored || GTK_IS_INVISIBLE (widget)' failed

Seems there is a problem with an element named io.elementary.wingpanel.desktop

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  • There may be a clue in the /var/log/syslog file, which often contains details about why something might have crashed. Can you take a look in that file and, if you see anything that looks like it might be related to the network settings window closing immediately, edit your question to include the logs? This will make it a little easier to offer some specific suggestions 👍🏻
    – matigo
    Aug 25 at 12:51
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I has similar issue with the power settings, it would hang anytime I tried to get into the subsection from the config panel (switchboard)

What worked for me was running switchboard as root from the terminal with sudo io.elementary.switchboard and configuring it from there. You can try the same thing for the network settings.

I think there is a bug with the policykit or something related that requires elevated permissions in the switchboard (network, power, user accounts, etc)

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