diff --git a/JL.Core/Config/StatsDBUtils.cs b/JL.Core/Config/StatsDBUtils.cs
index 84779ce0..2040b5e2 100644
--- a/JL.Core/Config/StatsDBUtils.cs
+++ b/JL.Core/Config/StatsDBUtils.cs
@@ -12,7 +12,7 @@ public static void InsertStats(SqliteConnection connection, Stats stats, int pro
         InsertStats(connection, JsonSerializer.Serialize(stats, Utils.s_jsoWithEnumConverterAndIndentation), profileId);
     }
 
-    public static void InsertStats(SqliteConnection connection, string stats, int profileId)
+    private static void InsertStats(SqliteConnection connection, string stats, int profileId)
     {
         using SqliteCommand command = connection.CreateCommand();
         command.CommandText =
@@ -31,7 +31,7 @@ private static void UpdateStats(SqliteConnection connection, Stats stats, int pr
         UpdateStats(connection, JsonSerializer.Serialize(stats, Utils.s_jsoWithEnumConverterAndIndentation), profileId);
     }
 
-    public static void UpdateStats(SqliteConnection connection, string stats, int profileId)
+    private static void UpdateStats(SqliteConnection connection, string stats, int profileId)
     {
         using SqliteCommand command = connection.CreateCommand();
         command.CommandText =
diff --git a/JL.Core/Utilities/ExtensionMethods.cs b/JL.Core/Utilities/ExtensionMethods.cs
index 63d88584..5c2ffa33 100644
--- a/JL.Core/Utilities/ExtensionMethods.cs
+++ b/JL.Core/Utilities/ExtensionMethods.cs
@@ -48,10 +48,10 @@ internal static List<string> ListUnicodeCharacters(this ReadOnlySpan<char> text)
             if (char.IsHighSurrogate(highSurrogateCandidate)
                 && text.Length > i + 1)
             {
-                char lowSurragateCandidate = text[i + 1];
-                if (char.IsLowSurrogate(lowSurragateCandidate))
+                char lowSurrogateCandidate = text[i + 1];
+                if (char.IsLowSurrogate(lowSurrogateCandidate))
                 {
-                    textBlocks.Add(char.ConvertFromUtf32(char.ConvertToUtf32(highSurrogateCandidate, lowSurragateCandidate)));
+                    textBlocks.Add(char.ConvertFromUtf32(char.ConvertToUtf32(highSurrogateCandidate, lowSurrogateCandidate)));
                     ++i;
                 }
                 else
diff --git a/JL.Windows/ConfigManager.cs b/JL.Windows/ConfigManager.cs
index 78cc0a5a..169b5480 100644
--- a/JL.Windows/ConfigManager.cs
+++ b/JL.Windows/ConfigManager.cs
@@ -1290,14 +1290,14 @@ public static void SaveBeforeClosing()
 
         double mainWindowTopPosition = MainWindow.Instance.Top >= SystemParameters.VirtualScreenTop
             ? MainWindow.Instance.Top + MainWindow.Instance.Height <= SystemParameters.VirtualScreenTop + SystemParameters.VirtualScreenHeight
-                ? (MainWindow.Instance.Top * WindowsUtils.Dpi.DpiScaleY)
+                ? MainWindow.Instance.Top * WindowsUtils.Dpi.DpiScaleY
                 : Math.Max(SystemParameters.VirtualScreenTop, SystemParameters.VirtualScreenTop + SystemParameters.VirtualScreenHeight - MainWindow.Instance.Height) * WindowsUtils.Dpi.DpiScaleY
             : WindowsUtils.ActiveScreen.Bounds.Y;
         ConfigDBManager.UpdateSetting(connection, "MainWindowTopPosition", mainWindowTopPosition.ToString(CultureInfo.InvariantCulture));
 
         double mainWindowLeftPosition = MainWindow.Instance.Left >= SystemParameters.VirtualScreenLeft
             ? MainWindow.Instance.Left + MainWindow.Instance.Width <= SystemParameters.VirtualScreenLeft + SystemParameters.VirtualScreenWidth
-                ? (MainWindow.Instance.Left * WindowsUtils.Dpi.DpiScaleX)
+                ? MainWindow.Instance.Left * WindowsUtils.Dpi.DpiScaleX
                 : Math.Max(SystemParameters.VirtualScreenLeft, SystemParameters.VirtualScreenLeft + SystemParameters.VirtualScreenWidth - MainWindow.Instance.Width) * WindowsUtils.Dpi.DpiScaleX
             : WindowsUtils.ActiveScreen.Bounds.X;
         ConfigDBManager.UpdateSetting(connection, "MainWindowLeftPosition", mainWindowLeftPosition.ToString(CultureInfo.InvariantCulture));
diff --git a/JL.Windows/GUI/PopupWindow.xaml.cs b/JL.Windows/GUI/PopupWindow.xaml.cs
index a83f63d8..e516f2d1 100644
--- a/JL.Windows/GUI/PopupWindow.xaml.cs
+++ b/JL.Windows/GUI/PopupWindow.xaml.cs
@@ -1086,6 +1086,7 @@ private void ListViewItem_MouseEnter(object sender, MouseEventArgs e)
         }
     }
 
+    // ReSharper disable once MemberCanBeMadeStatic.Local
     private void Unselect(object sender, RoutedEventArgs e)
     {
         WindowsUtils.Unselect((TextBox)sender);
diff --git a/JL.Windows/Utilities/WindowsUtils.cs b/JL.Windows/Utilities/WindowsUtils.cs
index 14c7ec60..57ee3db2 100644
--- a/JL.Windows/Utilities/WindowsUtils.cs
+++ b/JL.Windows/Utilities/WindowsUtils.cs
@@ -321,7 +321,7 @@ public static async Task UpdateJL(Uri latestReleaseUrl)
                 archive.ExtractToDirectory(tmpDirectory);
             }
 
-            await Application.Current.Dispatcher.Invoke(async () => await MainWindow.Instance.HandleAppClosing().ConfigureAwait(false)).ConfigureAwait(false);
+            await Application.Current.Dispatcher.Invoke(static () => MainWindow.Instance.HandleAppClosing()).ConfigureAwait(false);
 
             _ = Process.Start(
                 new ProcessStartInfo("cmd",