diff --git a/locale/ubinstall-gtk.pot b/locale/ubinstall-gtk.pot
index 5a173c2..8968599 100644
--- a/locale/ubinstall-gtk.pot
+++ b/locale/ubinstall-gtk.pot
@@ -5360,4 +5360,7 @@ msgid "Select installation sources"
 msgstr ""
 
 msgid "Database update"
+msgstr ""
+
+msgid "The required field is highlighted in green"
 msgstr ""
\ No newline at end of file
diff --git a/locale/ubinstall-gtk_ru.po b/locale/ubinstall-gtk_ru.po
index b786b71..e862f0c 100644
--- a/locale/ubinstall-gtk_ru.po
+++ b/locale/ubinstall-gtk_ru.po
@@ -5555,4 +5555,7 @@ msgid "Select installation sources"
 msgstr "Выберите источники для "
 
 msgid "Database update"
-msgstr "Обновление баз данных"
\ No newline at end of file
+msgstr "Обновление баз данных"
+
+msgid "The required field is highlighted in green"
+msgstr "Обязательное поле подсвечено зелёным"
\ No newline at end of file
diff --git a/source/ubinstall-gtk-startup-apps.c b/source/ubinstall-gtk-startup-apps.c
index b034cc8..ce73dfa 100644
--- a/source/ubinstall-gtk-startup-apps.c
+++ b/source/ubinstall-gtk-startup-apps.c
@@ -165,6 +165,7 @@ startup_service_window *yon_startup_app_window_new(){
 
     g_signal_connect(G_OBJECT(window->CancelButton),"clicked",G_CALLBACK(on_subwindow_close),NULL);
     g_object_set_data(G_OBJECT(window->AcceptButton),"startup_service_window",window);
+    yon_ubl_status_box_spawn(GTK_CONTAINER(window->StatusBox),IMPORTANT_OUTLINE_LABEL,0,BACKGROUND_IMAGE_INFO_TYPE);
     return window;
 }
 
diff --git a/source/ubinstall-gtk-startup-services.c b/source/ubinstall-gtk-startup-services.c
index 418adae..17cd010 100644
--- a/source/ubinstall-gtk-startup-services.c
+++ b/source/ubinstall-gtk-startup-services.c
@@ -168,6 +168,7 @@ startup_service_window *yon_startup_service_window_new(){
 
     g_signal_connect(G_OBJECT(window->CancelButton),"clicked",G_CALLBACK(on_subwindow_close),NULL);
     g_object_set_data(G_OBJECT(window->AcceptButton),"startup_service_window",window);
+    yon_ubl_status_box_spawn(GTK_CONTAINER(window->StatusBox),IMPORTANT_OUTLINE_LABEL,0,BACKGROUND_IMAGE_INFO_TYPE);
 
     return window;
 }
diff --git a/source/ubl-strings.h b/source/ubl-strings.h
index 2a8bf70..aa585bf 100644
--- a/source/ubl-strings.h
+++ b/source/ubl-strings.h
@@ -306,6 +306,7 @@ NULL)
 #define INFO_LABEL _("Package information")
 #define ALREADY_RUNNING_LABEL _("Application is already running")
 #define DB_UPDATE_LABEL _("Database update")
+#define IMPORTANT_OUTLINE_LABEL _("The required field is highlighted in green")
 
 // #define _LABEL _("Chosen size:")
 // #define _LABEL _("Overall size:")
diff --git a/ubinstall-gtk-service-window.glade b/ubinstall-gtk-service-window.glade
index e2fa23d..922f61b 100644
--- a/ubinstall-gtk-service-window.glade
+++ b/ubinstall-gtk-service-window.glade
@@ -72,6 +72,9 @@
                   <object class="GtkEntry" id="ServiceEntry">
                     <property name="visible">True</property>
                     <property name="can-focus">True</property>
+                    <style>
+                      <class name="important_border"/>
+                    </style>
                   </object>
                   <packing>
                     <property name="expand">True</property>
diff --git a/ubinstall-gtk.css b/ubinstall-gtk.css
index 61ab5cb..bd3e79f 100644
--- a/ubinstall-gtk.css
+++ b/ubinstall-gtk.css
@@ -20,6 +20,11 @@ background:transparent;
 background:transparent;
 }
 
+.important_border {
+	border-color: #009e0f;
+	border-style: solid;
+}
+
 .bgcommon {
 	background:@theme_bg_color;
 }