diff --git a/02_Windows_App/Perun_v1/01_Classes/NativeMethods.cs b/02_Windows_App/Perun_v1/01_Classes/NativeMethods.cs
deleted file mode 100644
index 6815b57..0000000
--- a/02_Windows_App/Perun_v1/01_Classes/NativeMethods.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-// This class just wraps some Win32 stuff that we're going to use for blocking of multiple instances
-using System;
-using System.Runtime.InteropServices;
-
-internal class NativeMethods
-{
-    public const int HWND_BROADCAST = 0xffff;
-    public static readonly int WM_SHOWME = RegisterWindowMessage("WM_SHOWME");
-    [DllImport("user32")]
-    public static extern bool PostMessage(IntPtr hwnd, int msg, IntPtr wparam, IntPtr lparam);
-    [DllImport("user32")]
-    public static extern int RegisterWindowMessage(string message);
-}
\ No newline at end of file
diff --git a/02_Windows_App/Perun_v1/02_Forms/form_Main.Designer.cs b/02_Windows_App/Perun_v1/02_Forms/form_Main.Designer.cs
index c1ad029..001bbc7 100644
--- a/02_Windows_App/Perun_v1/02_Forms/form_Main.Designer.cs
+++ b/02_Windows_App/Perun_v1/02_Forms/form_Main.Designer.cs
@@ -497,7 +497,6 @@
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.MaximizeBox = false;
-            this.MinimizeBox = false;
             this.Name = "form_Main";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "Perun for DCS World";
diff --git a/02_Windows_App/Perun_v1/02_Forms/form_Main.cs b/02_Windows_App/Perun_v1/02_Forms/form_Main.cs
index 2d099c6..fb4fe1f 100644
--- a/02_Windows_App/Perun_v1/02_Forms/form_Main.cs
+++ b/02_Windows_App/Perun_v1/02_Forms/form_Main.cs
@@ -187,6 +187,9 @@ namespace Perun_v1
 
             // Set title bar
             this.Text = "[#"+ con_txt_dcs_instance.Text + "] " + Globals.strPerunTitleText;
+
+            // Set notification icon text
+            trayIconMain.Text = this.Text;
         }
 
         private void con_Button_Listen_OFF_Click(object sender, EventArgs e)
@@ -232,6 +235,7 @@ namespace Perun_v1
 
             // Set title bar
             this.Text = Globals.strPerunTitleText;
+            trayIconMain.Text = this.Text;
 
             // Set globals
             Globals.intInstanceId = 0;
@@ -300,16 +304,6 @@ namespace Perun_v1
             }
         }
 
-        protected override void WndProc(ref Message m)
-        {
-            // Try to run of 2nd instance
-            if (m.Msg == NativeMethods.WM_SHOWME)
-            {
-                form_Main_BringFromTray();
-            }
-            base.WndProc(ref m);
-        }
-
         private void form_Main_SendToTray()
         {
             // Sends app to system tray
diff --git a/02_Windows_App/Perun_v1/Perun_v1.csproj b/02_Windows_App/Perun_v1/Perun_v1.csproj
index efcb591..346de2f 100644
--- a/02_Windows_App/Perun_v1/Perun_v1.csproj
+++ b/02_Windows_App/Perun_v1/Perun_v1.csproj
@@ -129,7 +129,6 @@
     <Compile Include="01_Classes\Globals.cs" />
     <Compile Include="01_Classes\DatabaseController.cs" />
     <Compile Include="01_Classes\PerunHelper.cs" />
-    <Compile Include="01_Classes\NativeMethods.cs" />
     <Compile Include="02_Forms\form_Main.cs">
       <SubType>Form</SubType>
     </Compile>