* What led to the situation? Uncheck sidebar via "Preferences" from the nautilus menu. During the session the configuration is maintained, but in the next session that starts, the sidebar reappears. * What exactly did (or did not) do that was effective ineffective)? Override the sidebar through the nautilus "preferences" menu. Standard user. * What was the result of this action? The sidebar remains hidden during the session. * What result did you expect instead? When you re-open session on the same user perform the view configuration without sidebar in the nautilus windows.
Regards