diff --git a/TWeather2015/MainWindow.xaml.cs b/TWeather2015/MainWindow.xaml.cs
index 9653734..fe9f9d4 100644
--- a/TWeather2015/MainWindow.xaml.cs
+++ b/TWeather2015/MainWindow.xaml.cs
@@ -124,6 +124,7 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
                 files.AddRange(Directory.GetFiles(Environment.GetFolderPath(Environment.SpecialFolder.CommonDesktopDirectory)));
                 dIconManager.loadIcons(files.ToArray());
             }
+            dIconManager.reCalculateItems();
             //dIconManager.UpdateLayout();
         }
 
diff --git a/TWeather2015/TWeather2015.csproj b/TWeather2015/TWeather2015.csproj
index 7c0798f..eb9ae45 100644
--- a/TWeather2015/TWeather2015.csproj
+++ b/TWeather2015/TWeather2015.csproj
@@ -5,7 +5,7 @@
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
     <ProjectGuid>{58FBC381-0364-4014-8EED-8E4EC0E169AC}</ProjectGuid>
-    <OutputType>Exe</OutputType>
+    <OutputType>WinExe</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>TWeather2015</RootNamespace>
     <AssemblyName>TWeather2015</AssemblyName>
diff --git a/TWeather2015/Theme/DIconManager.xaml.cs b/TWeather2015/Theme/DIconManager.xaml.cs
index f44d36f..4283975 100644
--- a/TWeather2015/Theme/DIconManager.xaml.cs
+++ b/TWeather2015/Theme/DIconManager.xaml.cs
@@ -1,17 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
 using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 using TWeather2015.Core;
 
 namespace TWeather2015.Theme
@@ -76,6 +69,7 @@ public void loadIcons(string[] files)
             DIconPositionManager.loadPositions();
             foreach (var f in files)
             {
+                if (isFileHidden(f)) continue;
                 var p = DIconPositionManager.getPosition(f);
                 if (p.x == 0 && p.y == 0)
                     addNewIconToEnd(f);
@@ -89,6 +83,7 @@ public void loadIcons(string[] files)
 
         public DIcon addNewIconToEnd(string filename)
         {
+            if (isFileHidden(filename)) return null;
             for (int i = 0; i < wcount; i++)
                 for (int j = 0; j < hcount; j++)
                 {
@@ -283,6 +278,7 @@ internal void addNewIcon(string fullPath)
         {
             this.Dispatcher.Invoke((Action)(() =>
             {
+                if (isFileHidden(fullPath)) return;
                 var p = DIconPositionManager.getPosition(fullPath);
                 if (p.x == 0 && p.y == 0)
                     addNewIconToEnd(fullPath);
@@ -375,5 +371,10 @@ public int Compare(TKey x, TKey y)
 
             #endregion
         }
+
+        static public bool isFileHidden(string fileName)
+        {
+            return new FileInfo(fileName).Attributes.HasFlag(FileAttributes.Hidden);
+        }
     }
 }