Index: sources/gui/qml/main.qml
===================================================================
diff -u -r1b060ccba8bfccf34d6a7a5ddd6d94eb6d149829 -r56eea041fb0995182b3d3ea0c0ac19e4933a2d3d
--- sources/gui/qml/main.qml	(.../main.qml)	(revision 1b060ccba8bfccf34d6a7a5ddd6d94eb6d149829)
+++ sources/gui/qml/main.qml	(.../main.qml)	(revision 56eea041fb0995182b3d3ea0c0ac19e4933a2d3d)
@@ -40,12 +40,28 @@
         onDidActionReceive: {
             //console.debug(vData)
             switch(vAction) {
+            case GuiActions.PowerOffBroadcast:
+                _autoHideInfo.showDialog(
+                            qsTr("System is shutting down"),
+                            5000 // if there is any error happening then after 5 seconds dialog hides.
+                            )
+                break;
+
             case GuiActions.PowerOff:
-                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Command)
+                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Command) {
                     _powerOffDialog.open()
-                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Timeout)
+                }
+                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Timeout) {
                     _powerOffDialog.close()
+                }
+                if (vData[GuiActions.PowerOff_ShowHide] === GuiActions.Rejected) {
+                    _autoHideInfo.showDialog(
+                                qsTr("Cannot shutdown during 'Treatment'"), // '%1').arg()
+                                1000 // if there is any error happening then after 5 seconds dialog hides.
+                                )
+                }
                 break;
+
             }
         }
     }
@@ -73,9 +89,7 @@
     }
 
     // 4 - Modals
-    AutoHideInfo { id: _autoHideInfo
-        message : "System is shutting down"
-    }
+    AutoHideInfo { id: _autoHideInfo }
 
     PowerOff { id: _powerOffDialog
         onAccepted: {