diff --git a/TimeMocker.UI/Forms/MainForm.cs b/TimeMocker.UI/Forms/MainForm.cs
index 4d3d836..217d197 100644
--- a/TimeMocker.UI/Forms/MainForm.cs
+++ b/TimeMocker.UI/Forms/MainForm.cs
@@ -5,7 +5,6 @@ using System.Drawing;
 using System.IO;
 using System.Linq;
 using System.Text.Json;
-using System.Timers;
 using System.Windows.Forms;
 using TimeMocker.UI.Core;
 
@@ -59,9 +58,9 @@ namespace TimeMocker.UI.Forms
 
         // -- Process tab
         private DataGridView dgvProcesses;
+        private Button btnRefresh;
         private TextBox txtProcSearch;
         private Label lblProcSearch;
-        private System.Timers.Timer _refreshTimer;
 
         // -- Time panel (shared)
         private GroupBox grpTime;
@@ -119,11 +118,6 @@ namespace TimeMocker.UI.Forms
             RefreshProcessList();
             UpdateTimePreview();
             ApplyTime(); // Initialize with current time
-
-            // Start auto-refresh timer (1 second interval)
-            _refreshTimer = new System.Timers.Timer(1000);
-            _refreshTimer.Elapsed += (s, e) => BeginInvoke((Action)(RefreshProcessList));
-            _refreshTimer.Start();
         }
 
         // =====================================================================
@@ -243,7 +237,11 @@ namespace TimeMocker.UI.Forms
             txtProcSearch = new TextBox { Width = 180, Margin = new Padding(0, 6, 8, 0) };
             txtProcSearch.TextChanged += (s, e) => FilterProcessList();
 
-            toolbar.Controls.AddRange(new Control[] { lblProcSearch, txtProcSearch });
+            btnRefresh = MakeButton("⟳ Refresh", 90, Color.FromArgb(100, 110, 120));
+            btnRefresh.Margin = new Padding(0, 6, 4, 0);
+            btnRefresh.Click += (s, e) => RefreshProcessList();
+
+            toolbar.Controls.AddRange(new Control[] { lblProcSearch, txtProcSearch, btnRefresh });
             toolbar.BackColor = Color.FromArgb(55, 62, 74);
 
             // Single process list with Inject checkbox
@@ -681,10 +679,6 @@ namespace TimeMocker.UI.Forms
 
         protected override void OnFormClosing(FormClosingEventArgs e)
         {
-            // Stop auto-refresh timer
-            _refreshTimer?.Stop();
-            _refreshTimer?.Dispose();
-
             // Save config
             _config.AutoInjectEnabled = chkWatcherEnabled.Checked;
             _config.Patterns.Clear();