.

SuperLauncher/CredentialExpirationService.cs

@@ -0,0 +1,36 @@
+using System.DirectoryServices;
+using System.Security.Principal;
+using System.Timers;
+
+namespace SuperLauncher
+{
+    public static class CredentialExpirationService
+    {
+        private static Timer Timer = new();
+        public static void Initialize()
+        {
+            Timer.Elapsed += CheckExpiration;
+            Timer.Enabled = true;
+            Timer.Interval = 10800000; //3 hours
+            Timer.Start();
+            CheckExpiration();
+        }
+        public static void CheckExpiration(object s = null, object e = null)
+        {
+            DirectorySearcher ds = new();
+            ds.SearchScope = SearchScope.Base;
+            ds.PropertiesToLoad.Clear();
+            ds.PropertiesToLoad.Add("maxPwdAge");
+            ds.Filter = "";
+            SearchResult root = ds.FindOne();
+            ds.SearchScope = SearchScope.Subtree;
+            ds.PropertiesToLoad.Clear();
+            ds.PropertiesToLoad.Add("pwdLastSet");
+            ds.Filter = "(objectSid=" + WindowsIdentity.GetCurrent().User.Value + ")";
+            SearchResult user = ds.FindOne();
+
+
+            //Found user and found policy, do work here
+        }
+    }
+}

SuperLauncher/ModernLauncher.xaml.cs

@@ -5,7 +5,6 @@
 using System.Windows.Input;
 using System.Windows.Interop;
 using System.Windows.Media.Animation;
-using System.Diagnostics;
 
 namespace SuperLauncher
 {
@@ -150,6 +149,7 @@ private void Window_Loaded(object sender, RoutedEventArgs e)
             OpenTopAnimation.Completed += OpenTopAnimation_Completed;
             CloseTopAnimation.Completed += CloseTopAnimation_Completed;
             InitializeNotifyIcon();
+            CredentialExpirationService.Initialize();
             Win32Interop.RegisterHotKey(WIH.Handle, 0, 0x1 | 0x4000, 0x53); //Register Hot Key ALT + S
             Win32Interop.RegisterHotKey(WIH.Handle, 1, 0x1 | 0x4000, 0x45); //Register Hot Key ALT + E
             Win32Interop.RegisterHotKey(WIH.Handle, 2, 0x1 | 0x4000, 0x52); //Register Hot Key ALT + R