diff --git a/MainForm.cs b/MainForm.cs
index f54189a..8f65215 100644
--- a/MainForm.cs
+++ b/MainForm.cs
@@ -7,6 +7,7 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Drawing;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 
@@ -14,6 +15,18 @@ namespace AppLauncher
 {
     public partial class MainForm : AForm
     {
+        [DllImport("user32.dll")]
+        protected static extern bool RegisterHotKey(IntPtr hWnd, int id, int fsModifiers, int vk);
+
+        [DllImport("user32.dll")]
+        protected static extern bool UnregisterHotKey(IntPtr hWnd, int id);
+
+        protected const int MOD_ALT = 0x1;
+        protected const int MOD_CONTROL = 0x2;
+        protected const int MOD_SHIFT = 0x4;
+        protected const int MOD_WIN = 0x8;
+        protected const int WM_HOTKEY = 0x312;
+
         protected int collapsedWidth = 40;
         protected int expandedWidth = 800;
 
@@ -26,6 +39,13 @@ namespace AppLauncher
             //this.Visible = false;
         }
 
+        protected override void OnLoad(EventArgs e)
+        {
+            base.OnLoad(e);
+
+            RegisterHotKey((IntPtr)Handle, 1, (MOD_CONTROL | MOD_ALT), (int)Keys.F10);
+        }
+
         protected override void OnShown(EventArgs e)
         {
             this.Visible = false;
@@ -46,6 +66,8 @@ namespace AppLauncher
         {
             base.OnClosing(e);
 
+            UnregisterHotKey((IntPtr)Handle, 1);
+
             if (string.IsNullOrWhiteSpace(sessionFilename))
             {
                 // do nothing
@@ -72,6 +94,21 @@ namespace AppLauncher
             }
         }
 
+        protected override void WndProc(ref Message m)
+        {
+            base.WndProc(ref m);
+
+            if (m.Msg != WM_HOTKEY) return;
+
+            switch (m.WParam.ToInt32())
+            {
+                case 1:
+                    this.Visible = !this.Visible;
+                    break;
+                default: break;
+            }
+        }
+
         public async Task ToggleSize()
         {
             if (this.Width > collapsedWidth)
diff --git a/Program.cs b/Program.cs
index 06a2aa3..5f28734 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,22 +1,30 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace AppLauncher
 {
     static class Program
     {
+        const string applicationID = "f31c9f65-4047-41e4-ac85-dbe11d12ee46";
+
         /// <summary>
         /// The main entry point for the application.
         /// </summary>
         [STAThread]
         static void Main()
         {
-            Application.EnableVisualStyles();
-            Application.SetCompatibleTextRenderingDefault(false);
-            Application.Run(new MainForm());
+            System.Threading.Mutex mutex = new System.Threading.Mutex(false, applicationID);
+            if (mutex.WaitOne(TimeSpan.Zero))
+            {
+                Application.EnableVisualStyles();
+                Application.SetCompatibleTextRenderingDefault(false);
+                Application.Run(new MainForm());
+            }
+
+            mutex.ReleaseMutex();
+            mutex.Close();
+            mutex.Dispose();
+            mutex = null;
         }
     }
 }
diff --git a/Windows/Forms/AForm.cs b/Windows/Forms/AForm.cs
index b394436..d8de44a 100644
--- a/Windows/Forms/AForm.cs
+++ b/Windows/Forms/AForm.cs
@@ -22,6 +22,8 @@ namespace AppLauncher.Windows.Forms
         protected internal RyzStudio.Windows.Forms.TImageBox imageBox1;
         private NotifyIcon notifyIcon1;
         private Panel panel1;
+        private ContextMenuStrip contextMenuStrip1;
+        private ToolStripMenuItem exitToolStripMenuItem;
         private IContainer components;
 
         public AForm() : base()
@@ -192,13 +194,16 @@ namespace AppLauncher.Windows.Forms
             this.imageBox1 = new RyzStudio.Windows.Forms.TImageBox();
             this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
             this.panel1 = new System.Windows.Forms.Panel();
+            this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
+            this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             ((System.ComponentModel.ISupportInitialize)(this.imageBox3)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.imageBox2)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.imageBox1)).BeginInit();
+            this.contextMenuStrip1.SuspendLayout();
             this.SuspendLayout();
-            //
+            // 
             // imageBox3
-            //
+            // 
             this.imageBox3.BackColor = System.Drawing.Color.Transparent;
             this.imageBox3.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Center;
             this.imageBox3.ErrorImage = null;
@@ -215,9 +220,9 @@ namespace AppLauncher.Windows.Forms
             this.imageBox3.TabIndex = 146;
             this.imageBox3.TabStop = false;
             this.imageBox3.MouseClick += new System.Windows.Forms.MouseEventHandler(this.imageBox3_MouseClick);
-            //
+            // 
             // imageBox2
-            //
+            // 
             this.imageBox2.BackColor = System.Drawing.Color.Transparent;
             this.imageBox2.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Center;
             this.imageBox2.ErrorImage = null;
@@ -234,9 +239,9 @@ namespace AppLauncher.Windows.Forms
             this.imageBox2.TabIndex = 147;
             this.imageBox2.TabStop = false;
             this.imageBox2.MouseClick += new System.Windows.Forms.MouseEventHandler(this.imageBox2_MouseClick);
-            //
+            // 
             // imageBox1
-            //
+            // 
             this.imageBox1.BackColor = System.Drawing.Color.Transparent;
             this.imageBox1.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Center;
             this.imageBox1.ErrorImage = null;
@@ -253,14 +258,17 @@ namespace AppLauncher.Windows.Forms
             this.imageBox1.TabIndex = 148;
             this.imageBox1.TabStop = false;
             this.imageBox1.MouseClick += new System.Windows.Forms.MouseEventHandler(this.imageBox1_MouseClick);
-            //
+            // 
             // notifyIcon1
-            //
+            // 
+            this.notifyIcon1.ContextMenuStrip = this.contextMenuStrip1;
             this.notifyIcon1.Icon = ((System.Drawing.Icon)(resources.GetObject("notifyIcon1.Icon")));
+            this.notifyIcon1.Visible = true;
             this.notifyIcon1.Click += new System.EventHandler(this.notifyIcon1_Click);
-            //
+            this.notifyIcon1.DoubleClick += new System.EventHandler(this.notifyIcon1_Click);
+            // 
             // panel1
-            //
+            // 
             this.panel1.BackColor = System.Drawing.Color.Transparent;
             this.panel1.Cursor = System.Windows.Forms.Cursors.SizeNS;
             this.panel1.Location = new System.Drawing.Point(109, 114);
@@ -271,9 +279,23 @@ namespace AppLauncher.Windows.Forms
             this.panel1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.panel1_MouseDown);
             this.panel1.MouseMove += new System.Windows.Forms.MouseEventHandler(this.panel1_MouseMove);
             this.panel1.MouseUp += new System.Windows.Forms.MouseEventHandler(this.panel1_MouseUp);
-            //
+            // 
+            // contextMenuStrip1
+            // 
+            this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.exitToolStripMenuItem});
+            this.contextMenuStrip1.Name = "contextMenuStrip1";
+            this.contextMenuStrip1.Size = new System.Drawing.Size(94, 26);
+            // 
+            // exitToolStripMenuItem
+            // 
+            this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
+            this.exitToolStripMenuItem.Size = new System.Drawing.Size(93, 22);
+            this.exitToolStripMenuItem.Text = "E&xit";
+            this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
+            // 
             // AForm
-            //
+            // 
             this.ClientSize = new System.Drawing.Size(421, 321);
             this.Controls.Add(this.panel1);
             this.Controls.Add(this.imageBox1);
@@ -284,6 +306,7 @@ namespace AppLauncher.Windows.Forms
             ((System.ComponentModel.ISupportInitialize)(this.imageBox3)).EndInit();
             ((System.ComponentModel.ISupportInitialize)(this.imageBox2)).EndInit();
             ((System.ComponentModel.ISupportInitialize)(this.imageBox1)).EndInit();
+            this.contextMenuStrip1.ResumeLayout(false);
             this.ResumeLayout(false);
 
         }
@@ -294,7 +317,7 @@ namespace AppLauncher.Windows.Forms
             {
                 //this.WindowState = FormWindowState.Minimized;
                 this.Visible = false;
-                notifyIcon1.Visible = true;
+                //notifyIcon1.Visible = true;
             }
         }
 
@@ -323,7 +346,7 @@ namespace AppLauncher.Windows.Forms
         private void notifyIcon1_Click(object sender, EventArgs e)
         {
             this.Visible = !this.Visible;
-            notifyIcon1.Visible = !this.Visible;
+            //notifyIcon1.Visible = !this.Visible;
         }
 
         private void panel1_MouseDown(object sender, MouseEventArgs e)
@@ -348,5 +371,7 @@ namespace AppLauncher.Windows.Forms
             }
         }
 
+        private void exitToolStripMenuItem_Click(object sender, EventArgs e) => this.Close();
+
     }
 }
\ No newline at end of file
diff --git a/Windows/Forms/AForm.resx b/Windows/Forms/AForm.resx
index aec58fb..b723165 100644
--- a/Windows/Forms/AForm.resx
+++ b/Windows/Forms/AForm.resx
@@ -120,6 +120,9 @@
   <metadata name="notifyIcon1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>17, 17</value>
   </metadata>
+  <metadata name="contextMenuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>130, 17</value>
+  </metadata>
   <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
   <data name="notifyIcon1.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>