diff --git a/Plugins/Flow.Launcher.Plugin.Program/Main.cs b/Plugins/Flow.Launcher.Plugin.Program/Main.cs
index 340d882dac4..ac23534b167 100644
--- a/Plugins/Flow.Launcher.Plugin.Program/Main.cs
+++ b/Plugins/Flow.Launcher.Plugin.Program/Main.cs
@@ -88,21 +88,24 @@ public async Task InitAsync(PluginInitContext context)
 
             bool cacheEmpty = !_win32s.Any() && !_uwps.Any();
 
-            var a = Task.Run(() =>
+            if (cacheEmpty || _settings.LastIndexTime.AddHours(30) < DateTime.Now)
             {
-                Stopwatch.Normal("|Flow.Launcher.Plugin.Program.Main|Win32Program index cost", IndexWin32Programs);
-            });
-
-            var b = Task.Run(() =>
+                _ = Task.Run(async () =>
+                {
+                    await IndexProgramsAsync().ConfigureAwait(false);
+                    WatchProgramUpdate();
+                });
+            }
+            else
             {
-                Stopwatch.Normal("|Flow.Launcher.Plugin.Program.Main|UWPPRogram index cost", IndexUwpPrograms);
-            });
-
-            if (cacheEmpty)
-                await Task.WhenAll(a, b);
+                WatchProgramUpdate();
+            }
 
-            Win32.WatchProgramUpdate(_settings);
-            _ = UWP.WatchPackageChange();
+            static void WatchProgramUpdate()
+            {
+                Win32.WatchProgramUpdate(_settings);
+                _ = UWP.WatchPackageChange();
+            }
         }
 
         public static void IndexWin32Programs()
@@ -110,6 +113,8 @@ public static void IndexWin32Programs()
             var win32S = Win32.All(_settings);
             _win32s = win32S;
             ResetCache();
+            _win32Storage.Save(_win32s);
+            _settings.LastIndexTime = DateTime.Now;
         }
 
         public static void IndexUwpPrograms()
@@ -117,6 +122,8 @@ public static void IndexUwpPrograms()
             var applications = UWP.All(_settings);
             _uwps = applications;
             ResetCache();
+            _uwpStorage.Save(_uwps);
+            _settings.LastIndexTime = DateTime.Now;
         }
 
         public static async Task IndexProgramsAsync()
@@ -131,7 +138,6 @@ public static async Task IndexProgramsAsync()
                 Stopwatch.Normal("|Flow.Launcher.Plugin.Program.Main|UWPProgram index cost", IndexUwpPrograms);
             });
             await Task.WhenAll(a, b).ConfigureAwait(false);
-            _settings.LastIndexTime = DateTime.Today;
         }
 
         internal static void ResetCache()
@@ -199,7 +205,6 @@ private static void DisableProgram(IProgram programToDelete)
                 _ = Task.Run(() =>
                 {
                     IndexUwpPrograms();
-                    _settings.LastIndexTime = DateTime.Today;
                 });
             }
             else if (_win32s.Any(x => x.UniqueIdentifier == programToDelete.UniqueIdentifier))
@@ -210,7 +215,6 @@ private static void DisableProgram(IProgram programToDelete)
                 _ = Task.Run(() =>
                 {
                     IndexWin32Programs();
-                    _settings.LastIndexTime = DateTime.Today;
                 });
             }
         }
diff --git a/Plugins/Flow.Launcher.Plugin.Program/Settings.cs b/Plugins/Flow.Launcher.Plugin.Program/Settings.cs
index f59facaa4ac..ca203f803a7 100644
--- a/Plugins/Flow.Launcher.Plugin.Program/Settings.cs
+++ b/Plugins/Flow.Launcher.Plugin.Program/Settings.cs
@@ -121,13 +121,6 @@ private void RemoveRedundantSuffixes()
         public bool EnablePathSource { get; set; } = false;
         public bool EnableUWP { get; set; } = true;
 
-        public string CustomizedExplorer { get; set; } = Explorer;
-        public string CustomizedArgs { get; set; } = ExplorerArgs;
-
         internal const char SuffixSeparator = ';';
-
-        internal const string Explorer = "explorer";
-
-        internal const string ExplorerArgs = "%s";
     }
 }
diff --git a/Plugins/Flow.Launcher.Plugin.Program/Views/ProgramSetting.xaml.cs b/Plugins/Flow.Launcher.Plugin.Program/Views/ProgramSetting.xaml.cs
index 4b63d38a586..156f33ebc5f 100644
--- a/Plugins/Flow.Launcher.Plugin.Program/Views/ProgramSetting.xaml.cs
+++ b/Plugins/Flow.Launcher.Plugin.Program/Views/ProgramSetting.xaml.cs
@@ -87,18 +87,6 @@ public bool EnableUWP
             }
         }
 
-        public string CustomizedExplorerPath
-        {
-            get => _settings.CustomizedExplorer;
-            set => _settings.CustomizedExplorer = value;
-        }
-
-        public string CustomizedExplorerArg
-        {
-            get => _settings.CustomizedArgs;
-            set => _settings.CustomizedArgs = value;
-        }
-
         public bool ShowUWPCheckbox => UWP.SupportUWP();
 
         public ProgramSetting(PluginInitContext context, Settings settings, Win32[] win32s, UWP.Application[] uwps)