i’ve have a problem.
i cannot open Unity>Edit>Preference windows
When i click that menu, The error occured like that
'NullReferenceException: Object reference not set to an instance of an object UnityEditor.PreferencesWindow.ShowPreferencesWindow () (at C:/BuildAgent/work/d63dfc6385190b60/Editor/Mono/PreferencesWindow/PreferencesWindow.cs:145)
uninstall and install twice.
but this issue is not resolved.
how can i fix this problem?