diff --git a/libublsettingsui-gtk3-users-window.glade b/libublsettingsui-gtk3-users-window.glade
index 8698736..d3580fd 100644
--- a/libublsettingsui-gtk3-users-window.glade
+++ b/libublsettingsui-gtk3-users-window.glade
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Generated with glade 3.40.0 -->
-<interface domain="ubl-settings-usergroups">
+<interface domain="libublsettingsui-gtk3">
   <requires lib="gtk+" version="3.24"/>
+  <!-- interface-css-provider-path libublsettingsui-gtk3.css -->
   <object class="GtkImage" id="image5">
     <property name="visible">True</property>
     <property name="can-focus">False</property>
diff --git a/libublsettingsui-gtk3.pot b/libublsettingsui-gtk3.pot
index f2a9619..5551ef1 100644
--- a/libublsettingsui-gtk3.pot
+++ b/libublsettingsui-gtk3.pot
@@ -455,3 +455,35 @@ msgstr ""
 #: source/libublsettingsui-gtk3.h:728
 msgid "The password does not meet the password policy requirements"
 msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose groups"
+msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose group"
+msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose users"
+msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose user"
+msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Chosen"
+msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "ID"
+msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Group"
+msgstr ""
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "User"
+msgstr ""
diff --git a/libublsettingsui-gtk3_ru.po b/libublsettingsui-gtk3_ru.po
index 33f6468..0290bd7 100644
--- a/libublsettingsui-gtk3_ru.po
+++ b/libublsettingsui-gtk3_ru.po
@@ -464,3 +464,35 @@ msgstr "ММ-ДД-ГГГГ"
 #: source/libublsettingsui-gtk3.h:728
 msgid "The password does not meet the password policy requirements"
 msgstr "Пароль не соответствует требованиям политики паролей"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose groups"
+msgstr "Выбор групп"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose group"
+msgstr "Выбор группы"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose users"
+msgstr "Выбор пользователей"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Choose user"
+msgstr "Выбор пользователя"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Chosen"
+msgstr "Выбрано"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "ID"
+msgstr "ID"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "Group"
+msgstr "Группа"
+
+#: source/libublsettingsui-gtk3.h:728
+msgid "User"
+msgstr "Пользователь"
diff --git a/source/libublsettingsui-gtk3-users-window.c b/source/libublsettingsui-gtk3-users-window.c
index 134537c..fe80e04 100644
--- a/source/libublsettingsui-gtk3-users-window.c
+++ b/source/libublsettingsui-gtk3-users-window.c
@@ -73,18 +73,20 @@ yon_user_window *yon_user_window_new(enum YON_USER_WINDOW_MODE_TYPE mode){
 	window->list = gtk_list_store_new(3,G_TYPE_BOOLEAN,G_TYPE_STRING,G_TYPE_INT);
 	gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(window->list),2,GTK_SORT_ASCENDING);
 
-    yon_gtk_window_setup(GTK_WINDOW(window->Window),NULL,NULL,NULL,"GroupWindow");
-
     g_signal_connect(G_OBJECT(window->Window),"destroy",G_CALLBACK(on_user_window_closed),window);
     g_signal_connect(G_OBJECT(window->CancelButton),"clicked",G_CALLBACK(on_subwindow_close),NULL);
     g_signal_connect(G_OBJECT(window->AcceptButton),"clicked",G_CALLBACK(on_users_window_accept),window);
 	g_signal_connect(G_OBJECT(window->StatusCell),"toggled",G_CALLBACK(on_group_clicked),window);
 	GtkTreeIter iter;
+    int multiple = 0;
     switch (mode){
         case YON_USER_WINDOW_USERS_MULTIPLE:
             gtk_cell_renderer_toggle_set_radio(GTK_CELL_RENDERER_TOGGLE(window->StatusCell),0);
+            multiple = 1;
         [[fallthrough]];
         case YON_USER_WINDOW_USERS:{
+            yon_gtk_window_setup(GTK_WINDOW(window->Window),NULL,!multiple?_CHOOSE_USER_LABEL:_CHOOSE_USERS_LABEL,yon_dull_icon_path,"GroupWindow");
+            gtk_tree_view_column_set_title(gtk_tree_view_get_column(GTK_TREE_VIEW(window->UsersTree),2),_USER_LABEL);
             int size;
             config_str system_param = yon_file_open("/etc/passwd",&size);
             for (int i=0;i<size;i++){
@@ -99,8 +101,11 @@ yon_user_window *yon_user_window_new(enum YON_USER_WINDOW_MODE_TYPE mode){
         
         case YON_USER_WINDOW_GROUPS_MULTIPLE:
             gtk_cell_renderer_toggle_set_radio(GTK_CELL_RENDERER_TOGGLE(window->StatusCell),0);
+            multiple = 1;
         [[fallthrough]];
         case YON_USER_WINDOW_GROUPS:{
+            yon_gtk_window_setup(GTK_WINDOW(window->Window),NULL,!multiple?_CHOOSE_GROUP_LABEL:_CHOOSE_GROUPS_LABEL, yon_dull_icon_path,"GroupWindow");
+            gtk_tree_view_column_set_title(gtk_tree_view_get_column(GTK_TREE_VIEW(window->UsersTree),2),_GROUP_LABEL);
             int size;
             config_str system_param = yon_file_open("/etc/group",&size);
             for (int i=0;i<size;i++){
diff --git a/source/libublsettingsui-gtk3.h b/source/libublsettingsui-gtk3.h
index ca27189..8ac7342 100644
--- a/source/libublsettingsui-gtk3.h
+++ b/source/libublsettingsui-gtk3.h
@@ -284,7 +284,11 @@ void yon_file_chooser_remove_accept_function(filechooser_window *window);
 
 dialog_confirmation_data *yon_confirmation_dialog_data_new();
 
-int yon_confirmation_dialog_call(GtkWidget *self,dialog_confirmation_data *data);
+/// @brief Call a confirmation dialog with specific data
+/// @param parent_window parent window or any widget contained by parent window. The argument can be NULL.
+/// @param data Data structure with label strings and accept function;
+/// @return GTK_RESPONCE_ACCEPT, or 0 if canceled
+int yon_confirmation_dialog_call(GtkWidget *parent_window,dialog_confirmation_data *data);
 
 /**yon_open_browser(GtkWidget *self, char *link)
  * [EN]
@@ -731,6 +735,18 @@ yon_window *yon_window_new();
     #define _WARNING_LABEL yon_char_get_localised_from_lib("Warning")
     #define _CREATE_CONFIG_DIALOG_LABEL yon_char_get_localised_from_lib("Configuration file does not exist. Create new configuration file?")
     #define _CREATE_CONFIG_DIALOG_HOMEDIR_LABEL yon_char_get_localised_from_lib("Configuration file does not exist. Create new configuration file? New configuration file will be created at your user's home directory")
+
+    #define _CHOOSEN_LABEL yon_char_get_localised_from_lib("Chosen")
+    #define _ID_LABEL yon_char_get_localised_from_lib("ID")
+    #define _GROUP_LABEL yon_char_get_localised_from_lib("Group")
+    #define _USER_LABEL yon_char_get_localised_from_lib("User")
+
+    #define _CHOOSE_GROUPS_LABEL yon_char_get_localised_from_lib("Choose groups")
+    #define _CHOOSE_GROUP_LABEL yon_char_get_localised_from_lib("Choose group")
+
+    #define _CHOOSE_USERS_LABEL yon_char_get_localised_from_lib("Choose users")
+    #define _CHOOSE_USER_LABEL yon_char_get_localised_from_lib("Choose user")
+
     
 
 #endif
\ No newline at end of file