diff --git a/Flow.Launcher.Plugin/Result.cs b/Flow.Launcher.Plugin/Result.cs
index f561fcb1dcf..f0fcd48ffc0 100644
--- a/Flow.Launcher.Plugin/Result.cs
+++ b/Flow.Launcher.Plugin/Result.cs
@@ -128,12 +128,12 @@ public string BadgeIcoPath
         /// <summary>
         /// Delegate to load an icon for this result.
         /// </summary>
-        public IconDelegate Icon { get; set; }
+        public IconDelegate Icon = null;
 
         /// <summary>
         /// Delegate to load an icon for the badge of this result.
         /// </summary>
-        public IconDelegate BadgeIcon { get; set; }
+        public IconDelegate BadgeIcon = null;
 
         /// <summary>
         /// Information for Glyph Icon (Prioritized than IcoPath/Icon if user enable Glyph Icons)
diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Languages/en.xaml b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Languages/en.xaml
index ea6e54fef7a..ddabd31f8fd 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Languages/en.xaml
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Languages/en.xaml
@@ -10,6 +10,7 @@
     <system:String x:Key="flowlauncher_plugin_processkiller_kill_all_count">kill {0} processes</system:String>
     <system:String x:Key="flowlauncher_plugin_processkiller_kill_instances">kill all instances</system:String>
 
+    <system:String x:Key="flowlauncher_plugin_processkiller_show_window_title">Show title for processes with visible windows</system:String>
     <system:String x:Key="flowlauncher_plugin_processkiller_put_visible_window_process_top">Put processes with visible windows on the top</system:String>
 
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Main.cs b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Main.cs
index 4f5d1becdd9..8f5ba4bd237 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Main.cs
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Main.cs
@@ -81,7 +81,10 @@ private List<Result> CreateResultsFromQuery(Query query)
             // Filter processes based on search term
             var searchTerm = query.Search;
             var processlist = new List<ProcessResult>();
-            var processWindowTitle = ProcessHelper.GetProcessesWithNonEmptyWindowTitle();
+            var processWindowTitle =
+                Settings.ShowWindowTitle || Settings.PutVisibleWindowProcessesTop ?
+                ProcessHelper.GetProcessesWithNonEmptyWindowTitle() :
+                new Dictionary<int, string>();
             if (string.IsNullOrWhiteSpace(searchTerm))
             {
                 foreach (var p in allPocessList)
@@ -91,12 +94,22 @@ private List<Result> CreateResultsFromQuery(Query query)
                     if (processWindowTitle.TryGetValue(p.Id, out var windowTitle))
                     {
                         // Add score to prioritize processes with visible windows
-                        // And use window title for those processes
-                        processlist.Add(new ProcessResult(p, Settings.PutVisibleWindowProcessesTop ? 200 : 0, windowTitle, null, progressNameIdTitle));
+                        // Use window title for those processes if enabled
+                        processlist.Add(new ProcessResult(
+                            p,
+                            Settings.PutVisibleWindowProcessesTop ? 200 : 0,
+                            Settings.ShowWindowTitle ? windowTitle : progressNameIdTitle,
+                            null,
+                            progressNameIdTitle));
                     }
                     else
                     {
-                        processlist.Add(new ProcessResult(p, 0, progressNameIdTitle, null, progressNameIdTitle));
+                        processlist.Add(new ProcessResult(
+                            p,
+                            0,
+                            progressNameIdTitle,
+                            null,
+                            progressNameIdTitle));
                     }
                 }
             }
@@ -115,13 +128,17 @@ private List<Result> CreateResultsFromQuery(Query query)
                         if (score > 0)
                         {
                             // Add score to prioritize processes with visible windows
-                            // And use window title for those processes
+                            // Use window title for those processes
                             if (Settings.PutVisibleWindowProcessesTop)
                             {
                                 score += 200;
                             }
-                            processlist.Add(new ProcessResult(p, score, windowTitle, 
-                                score == windowTitleMatch.Score ? windowTitleMatch : null, progressNameIdTitle));
+                            processlist.Add(new ProcessResult(
+                                p,
+                                score,
+                                Settings.ShowWindowTitle ? windowTitle : progressNameIdTitle,
+                                score == windowTitleMatch.Score ? windowTitleMatch : null,
+                                progressNameIdTitle));
                         }
                     }
                     else
@@ -130,7 +147,12 @@ private List<Result> CreateResultsFromQuery(Query query)
                         var score = processNameIdMatch.Score;
                         if (score > 0)
                         {
-                            processlist.Add(new ProcessResult(p, score, progressNameIdTitle, processNameIdMatch, progressNameIdTitle));
+                            processlist.Add(new ProcessResult(
+                                p,
+                                score,
+                                progressNameIdTitle,
+                                processNameIdMatch,
+                                progressNameIdTitle));
                         }
                     }
                 }
diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
index d7f44ccce51..3867829058f 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
@@ -1,9 +1,11 @@
-using Microsoft.Win32.SafeHandles;
-using System;
+using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Text;
+using System.Threading.Tasks;
+using Microsoft.Win32.SafeHandles;
 using Windows.Win32;
 using Windows.Win32.Foundation;
 using Windows.Win32.System.Threading;
@@ -72,8 +74,21 @@ public List<Process> GetMatchingProcesses()
         /// </summary>
         public static unsafe Dictionary<int, string> GetProcessesWithNonEmptyWindowTitle()
         {
-            var processDict = new Dictionary<int, string>();
+            // Collect all window handles
+            var windowHandles = new List<HWND>();
             PInvoke.EnumWindows((hWnd, _) =>
+            {
+                if (PInvoke.IsWindowVisible(hWnd))
+                {
+                    windowHandles.Add(hWnd);
+                }
+                return true;
+            }, IntPtr.Zero);
+
+            // Concurrently process each window handle
+            var processDict = new ConcurrentDictionary<int, string>();
+            var processedProcessIds = new ConcurrentDictionary<int, byte>();
+            Parallel.ForEach(windowHandles, hWnd =>
             {
                 var windowTitle = GetWindowTitle(hWnd);
                 if (!string.IsNullOrWhiteSpace(windowTitle) && PInvoke.IsWindowVisible(hWnd))
@@ -82,20 +97,26 @@ public static unsafe Dictionary<int, string> GetProcessesWithNonEmptyWindowTitle
                     var result = PInvoke.GetWindowThreadProcessId(hWnd, &processId);
                     if (result == 0u || processId == 0u)
                     {
-                        return false;
+                        return;
                     }
 
-                    var process = Process.GetProcessById((int)processId);
-                    if (!processDict.ContainsKey((int)processId))
+                    // Ensure each process ID is processed only once
+                    if (processedProcessIds.TryAdd((int)processId, 0))
                     {
-                        processDict.Add((int)processId, windowTitle);
+                        try
+                        {
+                            var process = Process.GetProcessById((int)processId);
+                            processDict.TryAdd((int)processId, windowTitle);
+                        }
+                        catch
+                        {
+                            // Handle exceptions (e.g., process exited)
+                        }
                     }
                 }
+            });
 
-                return true;
-            }, IntPtr.Zero);
-
-            return processDict;
+            return new Dictionary<int, string>(processDict);
         }
 
         private static unsafe string GetWindowTitle(HWND hwnd)
diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Settings.cs b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Settings.cs
index 916bc6a3979..57cd2ab8697 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Settings.cs
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Settings.cs
@@ -2,6 +2,8 @@
 {
     public class Settings
     {
+        public bool ShowWindowTitle { get; set; } = true;
+
         public bool PutVisibleWindowProcessesTop { get; set; } = false;
     }
 }
diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ViewModels/SettingsViewModel.cs b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ViewModels/SettingsViewModel.cs
index bacf1ba08c9..0728d9c0fb5 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ViewModels/SettingsViewModel.cs
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ViewModels/SettingsViewModel.cs
@@ -9,6 +9,12 @@ public SettingsViewModel(Settings settings)
             Settings = settings;
         }
 
+        public bool ShowWindowTitle
+        {
+            get => Settings.ShowWindowTitle;
+            set => Settings.ShowWindowTitle = value;
+        }
+
         public bool PutVisibleWindowProcessesTop
         {
             get => Settings.PutVisibleWindowProcessesTop;
diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Views/SettingsControl.xaml b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Views/SettingsControl.xaml
index d15d6c3e084..b969be4e877 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/Views/SettingsControl.xaml
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/Views/SettingsControl.xaml
@@ -12,10 +12,16 @@
         <Grid.ColumnDefinitions />
         <Grid.RowDefinitions>
             <RowDefinition Height="auto" />
+            <RowDefinition Height="auto" />
         </Grid.RowDefinitions>
         <CheckBox
             Grid.Row="0"
             Margin="{StaticResource SettingPanelItemRightTopBottomMargin}"
+            Content="{DynamicResource flowlauncher_plugin_processkiller_show_window_title}"
+            IsChecked="{Binding ShowWindowTitle}" />
+        <CheckBox
+            Grid.Row="1"
+            Margin="{StaticResource SettingPanelItemRightTopBottomMargin}"
             Content="{DynamicResource flowlauncher_plugin_processkiller_put_visible_window_process_top}"
             IsChecked="{Binding PutVisibleWindowProcessesTop}" />
     </Grid>