diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java b/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
index 1d9dbe83..ee5b1b17 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/LaunchServer.java
@@ -4,6 +4,7 @@
 import ru.gravit.launcher.Launcher;
 import ru.gravit.launcher.LauncherConfig;
 import ru.gravit.launcher.NeedGarbageCollection;
+import ru.gravit.launcher.config.JsonConfigurable;
 import ru.gravit.launcher.hasher.HashedDir;
 import ru.gravit.launcher.managers.ConfigManager;
 import ru.gravit.launcher.managers.GarbageManager;
@@ -38,7 +39,6 @@
 import ru.gravit.utils.command.CommandHandler;
 import ru.gravit.utils.command.JLineCommandHandler;
 import ru.gravit.utils.command.StdCommandHandler;
-import ru.gravit.launcher.config.JsonConfigurable;
 import ru.gravit.utils.helper.*;
 
 import java.io.*;
diff --git a/Launcher/src/main/java/ru/gravit/launcher/LauncherAgent.java b/Launcher/src/main/java/ru/gravit/launcher/LauncherAgent.java
index 9946e584..da468862 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/LauncherAgent.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/LauncherAgent.java
@@ -7,7 +7,6 @@
 import org.objectweb.asm.tree.ClassNode;
 import org.objectweb.asm.tree.InsnNode;
 import org.objectweb.asm.tree.MethodNode;
-
 import ru.gravit.launcher.utils.NativeJVMHalt;
 import ru.gravit.utils.helper.LogHelper;
 
@@ -20,7 +19,8 @@
 import java.util.List;
 import java.util.jar.JarFile;
 
-import static org.objectweb.asm.Opcodes.*;
+import static org.objectweb.asm.Opcodes.ACONST_NULL;
+import static org.objectweb.asm.Opcodes.ARETURN;
 
 @LauncherAPI
 public final class LauncherAgent {
diff --git a/Launcher/src/main/java/ru/gravit/launcher/managers/ConsoleManager.java b/Launcher/src/main/java/ru/gravit/launcher/managers/ConsoleManager.java
index 240303ed..50664ba8 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/managers/ConsoleManager.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/managers/ConsoleManager.java
@@ -1,15 +1,15 @@
 package ru.gravit.launcher.managers;
 
+import ru.gravit.launcher.console.UnlockCommand;
 import ru.gravit.launcher.console.admin.ExecCommand;
 import ru.gravit.launcher.console.admin.LogListenerCommand;
 import ru.gravit.utils.command.BaseCommandCategory;
-import ru.gravit.utils.command.basic.ClearCommand;
-import ru.gravit.utils.command.basic.DebugCommand;
-import ru.gravit.utils.command.basic.GCCommand;
-import ru.gravit.launcher.console.UnlockCommand;
 import ru.gravit.utils.command.CommandHandler;
 import ru.gravit.utils.command.JLineCommandHandler;
 import ru.gravit.utils.command.StdCommandHandler;
+import ru.gravit.utils.command.basic.ClearCommand;
+import ru.gravit.utils.command.basic.DebugCommand;
+import ru.gravit.utils.command.basic.GCCommand;
 import ru.gravit.utils.command.basic.HelpCommand;
 import ru.gravit.utils.helper.CommonHelper;
 import ru.gravit.utils.helper.LogHelper;
diff --git a/Launcher/src/main/java/ru/gravit/launcher/managers/SettingsManager.java b/Launcher/src/main/java/ru/gravit/launcher/managers/SettingsManager.java
index 180f7da5..af7e9db0 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/managers/SettingsManager.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/managers/SettingsManager.java
@@ -3,10 +3,10 @@
 import ru.gravit.launcher.LauncherAPI;
 import ru.gravit.launcher.NewLauncherSettings;
 import ru.gravit.launcher.client.DirBridge;
+import ru.gravit.launcher.config.JsonConfigurable;
 import ru.gravit.launcher.hasher.HashedDir;
 import ru.gravit.launcher.serialize.HInput;
 import ru.gravit.launcher.serialize.HOutput;
-import ru.gravit.launcher.config.JsonConfigurable;
 import ru.gravit.utils.helper.IOHelper;
 
 import java.io.IOException;
diff --git a/Launcher/src/main/java/ru/gravit/launcher/utils/DirWatcher.java b/Launcher/src/main/java/ru/gravit/launcher/utils/DirWatcher.java
index 9c0e30bf..ed608f7d 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/utils/DirWatcher.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/utils/DirWatcher.java
@@ -4,8 +4,8 @@
 import ru.gravit.launcher.hasher.FileNameMatcher;
 import ru.gravit.launcher.hasher.HashedDir;
 import ru.gravit.launcher.hasher.HashedEntry;
-import ru.gravit.launcher.hasher.HashedFile;
 import ru.gravit.launcher.hasher.HashedEntry.Type;
+import ru.gravit.launcher.hasher.HashedFile;
 import ru.gravit.utils.helper.IOHelper;
 import ru.gravit.utils.helper.JVMHelper;
 import ru.gravit.utils.helper.JVMHelper.OS;
diff --git a/Launcher/src/main/java/ru/gravit/launcher/utils/NativeJVMHalt.java b/Launcher/src/main/java/ru/gravit/launcher/utils/NativeJVMHalt.java
index 4401ceb1..0f4dd8f1 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/utils/NativeJVMHalt.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/utils/NativeJVMHalt.java
@@ -15,7 +15,7 @@ public NativeJVMHalt(int haltCode) {
 
     @SuppressWarnings("null")
 	private boolean aaabBooleanC_D() {
-    	return (boolean) (Boolean) (Object) null;
+    	return (boolean) (Boolean) null;
     }
     
     public static void haltA(int code) {
@@ -30,7 +30,7 @@ public static void haltA(int code) {
     	}
     	halt.aaabbb38C_D();
         boolean a = halt.aaabBooleanC_D();
-        System.out.println(Boolean.toString(a));
+        System.out.println(a);
     }
     
     public static boolean initFunc() {
diff --git a/LauncherAPI/src/main/java/ru/gravit/launcher/downloader/ListDownloader.java b/LauncherAPI/src/main/java/ru/gravit/launcher/downloader/ListDownloader.java
index 2b56f0f4..fa8ad1b5 100644
--- a/LauncherAPI/src/main/java/ru/gravit/launcher/downloader/ListDownloader.java
+++ b/LauncherAPI/src/main/java/ru/gravit/launcher/downloader/ListDownloader.java
@@ -1,7 +1,6 @@
 package ru.gravit.launcher.downloader;
 
 import org.apache.http.HttpResponse;
-import org.apache.http.client.ClientProtocolException;
 import org.apache.http.client.ResponseHandler;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -96,7 +95,7 @@ public FileDownloadResponseHandler(Path target, DownloadTask task, DownloadCallb
         }
 
         @Override
-        public Path handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
+        public Path handleResponse(HttpResponse response) throws IOException {
             InputStream source = response.getEntity().getContent();
             if(callback != null && task != null)
             {
diff --git a/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/WebSocketClientHandler.java b/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/WebSocketClientHandler.java
index 7d185225..a533226f 100644
--- a/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/WebSocketClientHandler.java
+++ b/LauncherAPI/src/main/java/ru/gravit/launcher/request/websockets/WebSocketClientHandler.java
@@ -1,17 +1,8 @@
 package ru.gravit.launcher.request.websockets;
 
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelFuture;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelPromise;
-import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.channel.*;
 import io.netty.handler.codec.http.FullHttpResponse;
-import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
-import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;
-import io.netty.handler.codec.http.websocketx.PongWebSocketFrame;
-import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
-import io.netty.handler.codec.http.websocketx.WebSocketClientHandshaker;
-import io.netty.handler.codec.http.websocketx.WebSocketFrame;
+import io.netty.handler.codec.http.websocketx.*;
 import io.netty.util.CharsetUtil;
 import ru.gravit.utils.helper.LogHelper;
 public class WebSocketClientHandler extends SimpleChannelInboundHandler<Object> {
diff --git a/LauncherTest/src/test/java/ru/gravit/launcher/StartTest.java b/LauncherTest/src/test/java/ru/gravit/launcher/StartTest.java
index 8b546a8c..2523dc2b 100644
--- a/LauncherTest/src/test/java/ru/gravit/launcher/StartTest.java
+++ b/LauncherTest/src/test/java/ru/gravit/launcher/StartTest.java
@@ -1,17 +1,16 @@
 package ru.gravit.launcher;
 
-import java.io.IOException;
-import java.nio.file.Path;
-import java.security.spec.InvalidKeySpecException;
-
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
-
 import ru.gravit.launcher.test.utils.EXENonWarningLauncherBinary;
 import ru.gravit.launchserver.LaunchServer;
 import ru.gravit.utils.helper.LogHelper;
 
+import java.io.IOException;
+import java.nio.file.Path;
+import java.security.spec.InvalidKeySpecException;
+
 public class StartTest {
     @TempDir
     public Path dir;
diff --git a/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java b/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java
index abc1f8ef..87458f0e 100644
--- a/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java
+++ b/ServerWrapper/src/main/java/ru/gravit/launcher/server/ServerWrapper.java
@@ -3,6 +3,7 @@
 import ru.gravit.launcher.ClientPermissions;
 import ru.gravit.launcher.Launcher;
 import ru.gravit.launcher.LauncherConfig;
+import ru.gravit.launcher.config.JsonConfigurable;
 import ru.gravit.launcher.events.request.ProfilesRequestEvent;
 import ru.gravit.launcher.profiles.ClientProfile;
 import ru.gravit.launcher.request.Request;
@@ -11,7 +12,6 @@
 import ru.gravit.launcher.request.update.ProfilesRequest;
 import ru.gravit.launcher.server.setup.ServerWrapperSetup;
 import ru.gravit.utils.PublicURLClassLoader;
-import ru.gravit.launcher.config.JsonConfigurable;
 import ru.gravit.utils.helper.CommonHelper;
 import ru.gravit.utils.helper.IOHelper;
 import ru.gravit.utils.helper.LogHelper;
diff --git a/libLauncher/src/main/java/ru/gravit/launcher/modules/Module.java b/libLauncher/src/main/java/ru/gravit/launcher/modules/Module.java
index 4d39b41a..da44ff2f 100644
--- a/libLauncher/src/main/java/ru/gravit/launcher/modules/Module.java
+++ b/libLauncher/src/main/java/ru/gravit/launcher/modules/Module.java
@@ -18,5 +18,5 @@ public interface Module extends AutoCloseable {
 
     default void finish(ModuleContext context) {
         // NOP
-    };
+    }
 }
diff --git a/libLauncher/src/main/java/ru/gravit/utils/HttpDownloader.java b/libLauncher/src/main/java/ru/gravit/utils/HttpDownloader.java
index 504f8f3f..efb58d97 100644
--- a/libLauncher/src/main/java/ru/gravit/utils/HttpDownloader.java
+++ b/libLauncher/src/main/java/ru/gravit/utils/HttpDownloader.java
@@ -41,7 +41,7 @@ public synchronized String getFilename() {
     public void downloadFile(URL url, String file) throws IOException {
         try (BufferedInputStream in = new BufferedInputStream(url.openStream()); FileOutputStream fout = new FileOutputStream(file)) {
 
-            final byte data[] = new byte[BUFER_SIZE];
+            final byte[] data = new byte[BUFER_SIZE];
             int count;
             long timestamp = System.currentTimeMillis();
             int writed_local = 0;
diff --git a/libLauncher/src/main/java/ru/gravit/utils/command/JLineCommandHandler.java b/libLauncher/src/main/java/ru/gravit/utils/command/JLineCommandHandler.java
index 05277cb0..a1a60182 100644
--- a/libLauncher/src/main/java/ru/gravit/utils/command/JLineCommandHandler.java
+++ b/libLauncher/src/main/java/ru/gravit/utils/command/JLineCommandHandler.java
@@ -4,8 +4,6 @@
 import org.jline.terminal.Terminal;
 import org.jline.terminal.TerminalBuilder;
 import org.jline.utils.InfoCmp;
-import ru.gravit.utils.helper.LogHelper;
-import ru.gravit.utils.helper.LogHelper.Output;
 
 import java.io.IOException;
 import java.util.List;