diff --git a/MainWindow.xaml b/MainWindow.xaml
index 7cae4fc..d40dc3a 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -287,10 +287,55 @@
                                                Background="#0A0A0A"/>
 
                                     <!-- Scrollbares EPG-Grid (Canvas) -->
+                                    <!-- ScrollBar-Style explizit hier weil vlc:VideoView eine eigene HWND hat
+                                         und Window.Resources-Styles dort nicht greifen -->
                                     <ScrollViewer x:Name="EpgScrollViewer"
                                                   HorizontalScrollBarVisibility="Auto"
                                                   VerticalScrollBarVisibility="Auto"
                                                   Background="#0A0A0A">
+                                        <ScrollViewer.Resources>
+                                            <Style TargetType="ScrollBar">
+                                                <Setter Property="Background" Value="#0E0E0E"/>
+                                                <Setter Property="BorderThickness" Value="0"/>
+                                                <Setter Property="Width" Value="10"/>
+                                                <Setter Property="Template">
+                                                    <Setter.Value>
+                                                        <ControlTemplate TargetType="ScrollBar">
+                                                            <Grid Background="{TemplateBinding Background}">
+                                                                <Track Name="PART_Track" IsDirectionReversed="true">
+                                                                    <Track.Thumb>
+                                                                        <Thumb>
+                                                                            <Thumb.Template>
+                                                                                <ControlTemplate TargetType="Thumb">
+                                                                                    <Border x:Name="thumbBd" Background="#3A3A3A" CornerRadius="3" Margin="2"/>
+                                                                                    <ControlTemplate.Triggers>
+                                                                                        <Trigger Property="IsMouseOver" Value="True">
+                                                                                            <Setter TargetName="thumbBd" Property="Background" Value="#555"/>
+                                                                                        </Trigger>
+                                                                                    </ControlTemplate.Triggers>
+                                                                                </ControlTemplate>
+                                                                            </Thumb.Template>
+                                                                        </Thumb>
+                                                                    </Track.Thumb>
+                                                                    <Track.IncreaseRepeatButton>
+                                                                        <RepeatButton Background="Transparent" BorderThickness="0" Command="ScrollBar.PageDownCommand" IsTabStop="False"/>
+                                                                    </Track.IncreaseRepeatButton>
+                                                                    <Track.DecreaseRepeatButton>
+                                                                        <RepeatButton Background="Transparent" BorderThickness="0" Command="ScrollBar.PageUpCommand" IsTabStop="False"/>
+                                                                    </Track.DecreaseRepeatButton>
+                                                                </Track>
+                                                            </Grid>
+                                                        </ControlTemplate>
+                                                    </Setter.Value>
+                                                </Setter>
+                                                <Style.Triggers>
+                                                    <Trigger Property="Orientation" Value="Horizontal">
+                                                        <Setter Property="Width" Value="Auto"/>
+                                                        <Setter Property="Height" Value="10"/>
+                                                    </Trigger>
+                                                </Style.Triggers>
+                                            </Style>
+                                        </ScrollViewer.Resources>
                                         <Canvas x:Name="EpgCanvas"/>
                                     </ScrollViewer>
                                 </DockPanel>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 01f000f..e51e1a5 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -682,9 +682,9 @@ public partial class MainWindow : Window
     private async Task ShowEpgOverlayAsync()
     {
         EpgOverlay.Visibility = Visibility.Visible;
-        TxtEpgOverlayStatus.Text = "Lade EPG-Daten…";
+        EpgCanvas.Children.Clear();
+        TxtEpgOverlayStatus.Text = "Lade EPG-Daten\u2026";
 
-        // Datum/Zeit-Anzeige im Header aktualisieren
         TxtEpgDate.Text = DateTime.Now.ToString("d. MMM", System.Globalization.CultureInfo.GetCultureInfo("de-DE"));
         TxtEpgTime.Text = DateTime.Now.ToString("HH:mm");
 
@@ -698,7 +698,8 @@ public partial class MainWindow : Window
             }
         }
 
-        BuildEpgGrid();
+        TxtEpgOverlayStatus.Text = "Baue Programm\u2026";
+        await BuildEpgGridAsync();
     }
 
     private void HideEpgOverlay()
@@ -707,11 +708,10 @@ public partial class MainWindow : Window
         EpgCanvas.Children.Clear();
     }
 
-    private void BuildEpgGrid()
+    private async Task BuildEpgGridAsync()
     {
         EpgCanvas.Children.Clear();
 
-        // Sender: TV-only, HD vor SD, alphabetisch wie in der Senderliste
         var channels = _allChannels
             .Where(c => c.Kind != ChannelKind.Radio)
             .GroupBy(c => NormalizeName(c.Name), StringComparer.OrdinalIgnoreCase)
@@ -719,7 +719,6 @@ public partial class MainWindow : Window
             .OrderBy(c => NormalizeName(c.Name), StringComparer.OrdinalIgnoreCase)
             .ToList();
 
-        // Aktuelles Sendefenster: ab letzter ganzer Stunde
         _epgStartTime = DateTime.Now.Date.AddHours(DateTime.Now.Hour);
         var totalMinutes = EpgTotalHours * 60;
         var contentWidth = EpgChannelColWidth + totalMinutes * EpgPxPerMin;
@@ -731,12 +730,16 @@ public partial class MainWindow : Window
         BuildEpgHeader(totalMinutes, contentWidth, contentHeight);
         BuildEpgNowLine(totalMinutes, contentHeight);
 
+        // Zeilen in Batches einf\u00fcgen damit UI-Thread nicht h\u00e4ngt (82 Sender w\u00e4ren >5s)
+        const int batchSize = 10;
         for (int i = 0; i < channels.Count; i++)
+        {
             BuildEpgRow(channels[i], i, contentWidth);
+            if (i % batchSize == batchSize - 1)
+                await Dispatcher.InvokeAsync(() => { }, System.Windows.Threading.DispatcherPriority.Background);
+        }
 
-        TxtEpgOverlayStatus.Text = $"{channels.Count} Sender · {EpgTotalHours} Stunden";
-
-        // Immer ganz nach links scrollen wenn Overlay geöffnet wird
+        TxtEpgOverlayStatus.Text = $"{channels.Count} Sender \u00b7 {EpgTotalHours} Stunden";
         EpgScrollViewer.ScrollToHorizontalOffset(0);
         EpgScrollViewer.ScrollToVerticalOffset(0);
     }