public InspectorUtil() {
            enabled = false;
            if (EditorWindow.focusedWindow is PopupWindow) return; // Detect is it [Expandable] popup

            try {
                if (this.Initialize()) // Additional check
                    enabled = true;
            }
            catch (Exception ex){
                Debug.LogError(INITIALIZATION_ERROR_MESSAGE + ex.ToString());
            }
        }

       private bool Initialize(){
            inspectorWindowType = Type.GetType(INSPECTOR_WINDOW_ASSEMBLY_QUALIFIED_NAME);

            // If this field doesn't exist, return false
            if (inspectorWindowType.GetField("s_CurrentInspectorWindow") != null) {
                window = inspectorWindowType
                .GetField("s_CurrentInspectorWindow", BindingFlags.Public | BindingFlags.Static)
                .GetValue(null);    
            } else {
                return false;
            }
            
            scrollPositionInfo = inspectorWindowType.GetField("m_ScrollPosition");
            getWindowPositionInfo = inspectorWindowType.GetProperty("position", typeof(Rect))
                                                        .GetGetMethod();

            var test = ScrollPosition;
            return true;
        }