diff --git a/Utils/NginxStoppedCleaner.cs b/Utils/NginxStoppedCleaner.cs
index dc33356..6d57802 100644
--- a/Utils/NginxStoppedCleaner.cs
+++ b/Utils/NginxStoppedCleaner.cs
@@ -31,6 +31,7 @@ namespace Sheas_Cealer.Utils
                             try
                             {
                                 certStore.Remove(storedCert);
+
                                 break;
                             }
                             catch { }
diff --git a/Wins/MainWin.xaml.cs b/Wins/MainWin.xaml.cs
index 9e19e73..d9b1faf 100644
--- a/Wins/MainWin.xaml.cs
+++ b/Wins/MainWin.xaml.cs
@@ -363,7 +363,7 @@ public partial class MainWin : Window
 
     private void EditHostButton_Click(object sender, RoutedEventArgs e)
     {
-        Button? senderButton = sender as Button;
+        Button senderButton = (Button)sender;
 
         string cealHostPath = senderButton == EditLocalHostButton ? MainConst.LocalHostPath : MainConst.UpstreamHostPath;
 
@@ -375,7 +375,7 @@ public partial class MainWin : Window
     }
     private void EditConfButton_Click(object sender, RoutedEventArgs e)
     {
-        Button? senderButton = sender as Button;
+        Button senderButton = (Button)sender;
         string confPath;
 
         if (senderButton == EditHostsConfButton)