Try to remove the tun device when restarting the service in Windows

https://github.com/2dust/v2rayN/pull/6561

v2rayN/ServiceLib/Common/WindowsUtils.cs

@@ -1,4 +1,7 @@
-using Microsoft.Win32;
+using System.Diagnostics;
+using System.Security.Cryptography;
+using System.Text;
+using Microsoft.Win32;
 
 namespace ServiceLib.Common
 {
@@ -50,5 +53,24 @@ namespace ServiceLib.Common
                 regKey?.Close();
             }
         }
-    }
-}
+
+        public static async Task RemoveTunDevice()
+        {
+	        try
+	        {
+		        var sum = MD5.HashData(Encoding.UTF8.GetBytes("wintunsingbox_tun"));
+		        var guid = new Guid(sum);
+		        var pnpUtilPath = @"C:\Windows\System32\pnputil.exe";
+		        var arg = $$""" /remove-device  "SWD\Wintun\{{{guid}}}" """;
+
+				// Try to remove the device
+				await Utils.GetCliWrapOutput(pnpUtilPath, arg);
+				 
+			}
+			catch (Exception ex)
+			{
+				Logging.SaveLog(_tag, ex);
+			}
+		}
+	}
+}