diff --git a/minecraft-launcher-client/Launcher.cs b/minecraft-launcher-client/Launcher.cs
index b35e571..922842e 100644
--- a/minecraft-launcher-client/Launcher.cs
+++ b/minecraft-launcher-client/Launcher.cs
@@ -40,9 +40,8 @@ internal static partial class Launcher
 #endif
             if (args.Contains("offline")) offline = true;
             if (args.Contains("updated")) updated = true;
-            Config = !File.Exists(LauncherConfig.ConfigFilePath)
-                ? LauncherConfig.CreateDefault()
-                : LauncherConfig.LoadFromFile();
+
+            Config = LauncherConfig.LoadOrCreateDefault();
             
             Logger.DebugLogEnabled = debug;
             Logger.LogInfo("Main", "launcher is starting");
diff --git a/minecraft-launcher-client/LauncherConfig.cs b/minecraft-launcher-client/LauncherConfig.cs
index 0663817..21bea01 100644
--- a/minecraft-launcher-client/LauncherConfig.cs
+++ b/minecraft-launcher-client/LauncherConfig.cs
@@ -28,7 +28,8 @@ public class LauncherConfig
         Username = dtsod["username"];
     }
 
-    public static LauncherConfig LoadFromFile() => new(new DtsodV23(File.ReadAllText(ConfigFilePath)));
+    private static LauncherConfig LoadFromFile() => 
+        new(new DtsodV23(File.ReadAllText(ConfigFilePath)));
 
     public DtsodV23 ToDtsod() =>
         new()
@@ -42,15 +43,18 @@ public class LauncherConfig
             { "username", Username },
         };
 
-    public void Save()
-    {
+    public void Save() => 
         File.WriteAllText(ConfigFilePath, ToDtsod().ToString());
-    }
-    
-    public static LauncherConfig CreateDefault()
+
+    private static LauncherConfig CreateDefault()
     {
         var c = new LauncherConfig();
         c.Save();
         return c;
     }
+    
+    public static LauncherConfig LoadOrCreateDefault() =>
+        File.Exists(ConfigFilePath)
+            ? LoadFromFile()
+            : CreateDefault();
 }
\ No newline at end of file
diff --git a/minecraft-launcher-server/Manifests.cs b/minecraft-launcher-server/Manifests.cs
index 47fbfa5..540810c 100644
--- a/minecraft-launcher-server/Manifests.cs
+++ b/minecraft-launcher-server/Manifests.cs
@@ -9,7 +9,7 @@ namespace launcher_server;
 
 public static class Manifests
 {
-    static object manifestLocker = new();
+    public static object manifestLocker = new();
 
     public static void CreateManifest(IOPath dir)
     {
diff --git a/minecraft-launcher-server/Server.cs b/minecraft-launcher-server/Server.cs
index 83f047d..3a954ef 100644
--- a/minecraft-launcher-server/Server.cs
+++ b/minecraft-launcher-server/Server.cs
@@ -1,13 +1,15 @@
-using System;
-using System.Net;
-using System.Net.Sockets;
-using System.Text;
-using System.Threading;
-using DTLib.Dtsod;
-using DTLib.Extensions;
-using DTLib.Filesystem;
-using DTLib.Logging;
-using DTLib.Network;
+global using System;
+global using System.Collections.Generic;
+global using System.Net;
+global using System.Net.Sockets;
+global using System.Text;
+global using System.Threading;
+global using System.Threading.Tasks;
+global using DTLib.Dtsod;
+global using DTLib.Extensions;
+global using DTLib.Filesystem;
+global using DTLib.Logging;
+global using DTLib.Network;
 
 namespace launcher_server;
 
@@ -17,7 +19,7 @@ static class Server
         new FileLogger("logs","launcher-server"),
         new ConsoleLogger());
     static readonly Socket mainSocket = new(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
-    static DtsodV23 config = null!;
+    static ServerConfig Config = null!;
     public static readonly IOPath shared_dir = "public";
 
 
@@ -28,13 +30,13 @@ static class Server
             Console.Title = "minecraft_launcher_server";
             Console.InputEncoding = Encoding.Unicode;
             Console.OutputEncoding = Encoding.Unicode;
+
+            Config = ServerConfig.LoadOrCreateDefault();
             
-            config = new DtsodV23(File.ReadAllText("minecraft-launcher-server.dtsod"));
-            
-            logger.LogInfo("Main",  $"local address: {config["local_ip"]}");
+            logger.LogInfo("Main",  $"local address: {Config.LocalIp}");
             logger.LogInfo("Main", $"public address: {Functions.GetPublicIP()}");
-                logger.LogInfo("Main", $"port: {config["local_port"]}");
-            mainSocket.Bind(new IPEndPoint(IPAddress.Parse(config["local_ip"]), config["local_port"]));
+                logger.LogInfo("Main", $"port: {Config.LocalPort}");
+            mainSocket.Bind(new IPEndPoint(IPAddress.Parse(Config.LocalIp), Config.LocalPort));
             mainSocket.Listen(1000);
             Manifests.CreateAllManifests();
             logger.LogInfo("Main", "server started succesfully");
@@ -85,10 +87,15 @@ static class Server
                                 fsp.UploadFile(Path.Concat(shared_dir, "minecraft-launcher.exe"));
                                 break;
                             case "requesting file download":
-                                var file = handlerSocket.GetPackage().BytesToString();
-                                logger.LogInfo(nameof(HandleUser), $"updater requested file {file}");
+                                var filePath = handlerSocket.GetPackage().BytesToString();
+                                logger.LogInfo(nameof(HandleUser), $"updater requested file {filePath}");
+                                if(filePath.EndsWith("manifest.dtsod"))
+                                    lock (Manifests.manifestLocker)
+                                    {
+                                        fsp.UploadFile(Path.Concat(shared_dir, filePath));
+                                    }
                                 // ReSharper disable once InconsistentlySynchronizedField
-                                fsp.UploadFile(Path.Concat(shared_dir, file));
+                                else fsp.UploadFile(Path.Concat(shared_dir, filePath));
                                 break;
                             default:
                                 throw new Exception("unknown request: " + request);
diff --git a/minecraft-launcher-server/ServerConfig.cs b/minecraft-launcher-server/ServerConfig.cs
new file mode 100644
index 0000000..943461b
--- /dev/null
+++ b/minecraft-launcher-server/ServerConfig.cs
@@ -0,0 +1,42 @@
+namespace launcher_server;
+
+public class ServerConfig
+{
+    public static IOPath ConfigFilePath = "minecraft-launcher.dtsod";
+    
+    public int LocalPort = 25000;
+    public string LocalIp = "127.0.0.1";
+    
+    private ServerConfig(){}
+    
+    private ServerConfig(DtsodV23 dtsod)
+    {
+        LocalIp = dtsod["local_ip"];
+        LocalPort = dtsod["local_port"];
+    }
+
+    private static ServerConfig LoadFromFile() => 
+        new(new DtsodV23(File.ReadAllText(ConfigFilePath)));
+
+    public DtsodV23 ToDtsod() =>
+        new()
+        {
+            { "local_ip", LocalIp },
+            { "local_port", LocalPort }
+        };
+
+    public void Save() => 
+        File.WriteAllText(ConfigFilePath, ToDtsod().ToString());
+
+    private static ServerConfig CreateDefault()
+    {
+        var c = new ServerConfig();
+        c.Save();
+        return c;
+    }
+    
+    public static ServerConfig LoadOrCreateDefault() =>
+        File.Exists(ConfigFilePath)
+            ? LoadFromFile()
+            : CreateDefault();
+}
\ No newline at end of file
diff --git a/minecraft-launcher-server/minecraft-launcher-server.dtsod.default b/minecraft-launcher-server/minecraft-launcher-server.dtsod.default
deleted file mode 100644
index 7ed1467..0000000
--- a/minecraft-launcher-server/minecraft-launcher-server.dtsod.default
+++ /dev/null
@@ -1,2 +0,0 @@
-local_ip: "127.0.0.1";
-local_port: 25000;