diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java b/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
index ede68a93..f0bef164 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
@@ -1,6 +1,7 @@
 package ru.gravit.launchserver;
 
 import com.google.gson.GsonBuilder;
+import com.google.gson.annotations.Expose;
 import ru.gravit.launcher.Launcher;
 import ru.gravit.launcher.LauncherConfig;
 import ru.gravit.launcher.hasher.HashedDir;
@@ -89,7 +90,9 @@ public static final class Config {
 
         public String[] mirrors;
         public String binaryName;
+        @Expose
         private String address;
+        @Expose
         private String bindAddress;
         public LauncherConfig.LauncherEnvironment env;
         public boolean isWarningMissArchJava;
@@ -301,6 +304,7 @@ public LaunchServer(Path dir) throws IOException, InvalidKeySpecException {
         modulesManager.autoload(dir.resolve("modules"));
         modulesManager.preInitModules();
         initGson();
+        LogHelper.setStacktraceEnabled(true);
 
         // Read LaunchServer config
         generateConfigIfNotExists();
@@ -356,6 +360,7 @@ public static void initGson()
     {
         if(Launcher.gson != null) return;
         Launcher.gsonBuilder = new GsonBuilder();
+        Launcher.gsonBuilder.setPrettyPrinting();
         Launcher.gson = Launcher.gsonBuilder.create();
     }
 
@@ -402,10 +407,14 @@ private void generateConfigIfNotExists() throws IOException {
 
         // Create new config
         LogHelper.info("Creating LaunchServer config");
-        Config newConfig;
-        try (BufferedReader reader = IOHelper.newReader(IOHelper.getResourceURL("ru/gravit/launchserver/defaults/config.cfg"))) {
-            newConfig = Launcher.gson.fromJson(reader,Config.class);
-        }
+        Config newConfig = new Config();
+        newConfig.mirrors = new String[]{"http://mirror.gravitlauncher.ml"};
+        newConfig.launch4j = new ExeConf();
+        newConfig.buildPostTransform = new PostBuildTransformConf();
+        newConfig.env = LauncherConfig.LauncherEnvironment.STD;
+        //try (BufferedReader reader = IOHelper.newReader(IOHelper.getResourceURL("ru/gravit/launchserver/defaults/config.cfg"))) {
+        //    newConfig = Launcher.gson.fromJson(reader,Config.class);
+        //}
 
         // Set server address
         LogHelper.println("LaunchServer address: ");
diff --git a/Launcher/runtime/engine/api.js b/Launcher/runtime/engine/api.js
index 37b3ab55..f423687d 100644
--- a/Launcher/runtime/engine/api.js
+++ b/Launcher/runtime/engine/api.js
@@ -45,18 +45,6 @@ var SignedBytesHolder = SignedBytesHolderClass.static;
 var SignedObjectHolder = SignedObjectHolderClass.static;
 var EnumSerializer = EnumSerializerClass.static;
 
-// Config serialization class bindings
-var ConfigObject = ConfigObjectClass.static;
-var ConfigObjectAdapter = ConfigObjectAdapterClass.static;
-var BlockConfigEntry = BlockConfigEntryClass.static;
-var BooleanConfigEntry = BooleanConfigEntryClass.static;
-var IntegerConfigEntry = IntegerConfigEntryClass.static;
-var ListConfigEntry = ListConfigEntryClass.static;
-var StringConfigEntry = StringConfigEntryClass.static;
-var ConfigEntryType = ConfigEntryTypeClass.static;
-var TextConfigReader = TextConfigReaderClass.static;
-var TextConfigWriter = TextConfigWriterClass.static;
-
 // Helper class API imports
 var CommonHelper = CommonHelperClass.static;
 var IOHelper = IOHelperClass.static;