diff --git a/InstaSoftOfficeTool.csproj b/InstaSoftOfficeTool.csproj
index 91f4f53..e35976b 100644
--- a/InstaSoftOfficeTool.csproj
+++ b/InstaSoftOfficeTool.csproj
@@ -9,9 +9,9 @@
     <Company>InstaSoft Zrt.</Company>
     <Product>InstaSoft Office Tool</Product>
     <Copyright>Copyright (c) InstaSoft Zrt. 2026</Copyright>
-    <Version>1.1.7</Version>
-    <AssemblyVersion>1.1.7.0</AssemblyVersion>
-    <FileVersion>1.1.7.0</FileVersion>
+    <Version>1.1.9</Version>
+    <AssemblyVersion>1.1.9.0</AssemblyVersion>
+    <FileVersion>1.1.9.0</FileVersion>
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
diff --git a/MainWindow.xaml b/MainWindow.xaml
index 357258c..d1c967e 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -45,7 +45,7 @@
                                    Foreground="{StaticResource TextSecondaryBrush}" Margin="0,-2,0,0"/>
                     </StackPanel>
                 </StackPanel>
-                <TextBlock Text="v1.17" HorizontalAlignment="Right" VerticalAlignment="Center"
+                <TextBlock Text="v1.19" HorizontalAlignment="Right" VerticalAlignment="Center"
                            FontSize="12" Foreground="{StaticResource TextSecondaryBrush}"/>
             </Grid>
         </Border>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index d8d8da2..ff85130 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -121,7 +121,7 @@ namespace InstaSoftOfficeTool
 
         private void UpdateButtons()
         {
-            BtnBack.Visibility = _currentPageIndex > 0 ? Visibility.Visible : Visibility.Visible;
+            BtnBack.Visibility = _currentPageIndex > 0 ? Visibility.Visible : Visibility.Collapsed;
             BtnNext.Visibility = Visibility.Visible;
 
             // On SummaryPage = "Tov\u00e1bb"
diff --git a/Pages/EditionPage.xaml b/Pages/EditionPage.xaml
index 092d396..9af69bb 100644
--- a/Pages/EditionPage.xaml
+++ b/Pages/EditionPage.xaml
@@ -10,7 +10,7 @@
         </Grid.RowDefinitions>
 
         <StackPanel Grid.Row="0" Margin="0,0,0,24">
-            <TextBlock x:Name="TitleText" Text="Valasszon kiadast" FontSize="24" FontWeight="Light"/>
+            <TextBlock x:Name="TitleText" Text="Válasszon kiadást" FontSize="24" FontWeight="Light"/>
             <TextBlock x:Name="SubtitleText" FontSize="14"
                        Foreground="{StaticResource TextSecondaryBrush}" Margin="0,4,0,0"/>
         </StackPanel>
diff --git a/Pages/EditionPage.xaml.cs b/Pages/EditionPage.xaml.cs
index 2d26fac..82ffbdf 100644
--- a/Pages/EditionPage.xaml.cs
+++ b/Pages/EditionPage.xaml.cs
@@ -17,7 +17,7 @@ namespace InstaSoftOfficeTool.Pages
             _config = config;
             _editions = OfficeEdition.GetEditions(_config.Version);
 
-            SubtitleText.Text = _config.GetVersionDisplayName() + " — melyik kiadast szeretne?";
+            SubtitleText.Text = _config.GetVersionDisplayName() + " \u2014 melyik kiad\u00e1st szeretn\u00e9?";
 
             BuildEditionCards();
         }
diff --git a/Services/OdtDownloader.cs b/Services/OdtDownloader.cs
index 9ce78d7..195a3da 100644
--- a/Services/OdtDownloader.cs
+++ b/Services/OdtDownloader.cs
@@ -85,6 +85,17 @@ namespace InstaSoftOfficeTool.Services
                 StatusChanged?.Invoke("ODT setup.exe k\u00e9sz.");
                 return true;
             }
+            catch (System.Net.Http.HttpRequestException ex)
+            {
+                StatusChanged?.Invoke("H\u00e1l\u00f3zati hiba: Nincs internetkapcsolat vagy a szerver nem el\u00e9rhet\u0151.");
+                StatusChanged?.Invoke("R\u00e9szletek: " + ex.Message);
+                return false;
+            }
+            catch (TaskCanceledException)
+            {
+                StatusChanged?.Invoke("Id\u0151t\u00fall\u00e9p\u00e9s: A let\u00f6lt\u00e9s t\u00fal sok\u00e1ig tartott. Ellen\u0151rizze az internetkapcsolatot.");
+                return false;
+            }
             catch (Exception ex)
             {
                 StatusChanged?.Invoke("Hiba: " + ex.GetType().Name + ": " + ex.Message);