diff --git a/Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs b/Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs
index 83a6c5769..5c668d5ab 100644
--- a/Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs
+++ b/Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs
@@ -39,11 +39,13 @@ public partial class SettingsPaneThemeViewModel : BaseModel
 
             if (ThemeManager.Instance.BlurEnabled && Settings.UseDropShadowEffect == false)
                 DropShadowEffect = true;
+                OnPropertyChanged(nameof(IsDropShadowEnabled));
             ThemeManager.Instance.RefreshFrame();
             //uThemeManager.Instance.SetBlurForWindow();
         }
     }
     public bool IsBackdropEnabled => SelectedTheme?.HasBlur ?? false;
+    public bool IsDropShadowEnabled => !ThemeManager.Instance.BlurEnabled;
 
     public bool DropShadowEffect
     {
@@ -52,7 +54,6 @@ public partial class SettingsPaneThemeViewModel : BaseModel
         {
             if (ThemeManager.Instance.BlurEnabled && value == false)
             {
-                App.API.ShowMsgBox(InternationalizationManager.Instance.GetTranslation("shadowEffectNotAllowedBlur"));
                 Settings.UseDropShadowEffect = true;
                 return;
             }
@@ -223,11 +224,15 @@ public partial class SettingsPaneThemeViewModel : BaseModel
             // ✅ BackdropTypeData 리스트에서 해당하는 값 찾기
             var backdropData = BackdropTypesList.FirstOrDefault(b => b.Value == value);
             backdropData?.ApplyBackdrop();
+
+            // ✅ DropShadow 활성화 여부 갱신
+            OnPropertyChanged(nameof(IsDropShadowEnabled));
         }
     }
 
 
 
+
     public bool UseSound
     {
         get => Settings.UseSound;
diff --git a/Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml b/Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml
index b429888bf..a7e904cd0 100644
--- a/Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml
+++ b/Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml
@@ -467,15 +467,15 @@
                 Sub="{DynamicResource shadowEffectRestart}">
 
                 <ComboBox
-    MinWidth="160"
-    VerticalAlignment="Center"
-    DisplayMemberPath="Display"
-    FontSize="14"
-    ItemsSource="{Binding BackdropTypesList}"
-    SelectedValue="{Binding BackdropType, Mode=TwoWay}"
-    SelectedValuePath="Value"
-    IsEnabled="{Binding IsBackdropEnabled}" />
-                <!-- ✅ 추가 -->
+                    MinWidth="160"
+                    VerticalAlignment="Center"
+                    DisplayMemberPath="Display"
+                    FontSize="14"
+                    IsEnabled="{Binding IsBackdropEnabled}"
+                    ItemsSource="{Binding BackdropTypesList}"
+                    SelectedValue="{Binding BackdropType, Mode=TwoWay}"
+                    SelectedValuePath="Value" />
+                <!--  ✅ 추가  -->
             </cc:Card>
 
 
@@ -486,6 +486,7 @@
                 Icon="&#xeb91;"
                 Sub="{DynamicResource shadowEffectRestart}">
                 <ui:ToggleSwitch
+                    IsEnabled="{Binding IsDropShadowEnabled}"
                     IsOn="{Binding DropShadowEffect}"
                     OffContent="{DynamicResource disable}"
                     OnContent="{DynamicResource enable}" />