diff --git a/SecuritySystem/SecuritySystemView/Program.cs b/SecuritySystem/SecuritySystemView/Program.cs
index 7e1961b..1edc7ed 100644
--- a/SecuritySystem/SecuritySystemView/Program.cs
+++ b/SecuritySystem/SecuritySystemView/Program.cs
@@ -19,8 +19,6 @@ namespace SecuritySystemView
 {
     internal static class Program
     {
-        private static ServiceProvider? _serviceProvider;
-        public static ServiceProvider? ServiceProvider => _serviceProvider;
         /// <summary>
         /// The main entry point for the application.
         /// </summary>
@@ -101,6 +99,6 @@ namespace SecuritySystemView
             DependencyManager.Instance.RegisterType<FormImplementers>();
             DependencyManager.Instance.RegisterType<FormMails>();
         }
-        private static void MailCheck(object obj) => ServiceProvider?.GetService<AbstractMailWorker>()?.MailCheck();
+        private static void MailCheck(object obj) => DependencyManager.Instance.Resolve<AbstractMailWorker>()?.MailCheck();
     }
 }
\ No newline at end of file