diff --git a/Launcher/src/main/java/pro/gravit/launcher/LauncherAgent.java b/Launcher/src/main/java/pro/gravit/launcher/LauncherAgent.java
index af2d39fa..01122aff 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/LauncherAgent.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/LauncherAgent.java
@@ -4,9 +4,11 @@
 import static org.objectweb.asm.Opcodes.ARETURN;
 
 import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.instrument.Instrumentation;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
@@ -31,7 +33,12 @@ public final class LauncherAgent {
 
     public static void addJVMClassPath(String path) throws IOException {
         LogHelper.debug("Launcher Agent addJVMClassPath");
-        inst.appendToSystemClassLoaderSearch(new JarFile(path));
+        inst.appendToSystemClassLoaderSearch(new JarFile(new File(path)));
+    }
+    
+    public static void addJVMClassPath(Path path) throws IOException {
+        LogHelper.debug("Launcher Agent addJVMClassPath");
+        inst.appendToSystemClassLoaderSearch(new JarFile(path.toFile()));
     }
 
     public boolean isAgentStarted() {
diff --git a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncher.java b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncher.java
index f05bd312..32b35dd4 100644
--- a/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncher.java
+++ b/Launcher/src/main/java/pro/gravit/launcher/client/ClientLauncher.java
@@ -470,12 +470,12 @@ public static void main(String... args) throws Throwable {
         LogHelper.debug("Verifying ClientLauncher sign and classpath");
         LinkedList<Path> classPath = resolveClassPathList(params.clientDir, profile.getClassPath());
         for (Path classpathURL : classPath) {
-            LauncherAgent.addJVMClassPath(classpathURL.toAbsolutePath().toString());
+            LauncherAgent.addJVMClassPath(classpathURL.normalize().toAbsolutePath());
         }
         profile.pushOptionalClassPath(cp -> {
             LinkedList<Path> optionalClassPath = resolveClassPathList(params.clientDir, cp);
             for (Path classpathURL : optionalClassPath) {
-                LauncherAgent.addJVMClassPath(classpathURL.toAbsolutePath().toString());
+                LauncherAgent.addJVMClassPath(classpathURL.normalize().toAbsolutePath());
             }
         });
         URL[] classpathurls = resolveClassPath(params.clientDir, profile.getClassPath());
diff --git a/LauncherCore/src/main/java/pro/gravit/utils/helper/JarHelper.java b/LauncherCore/src/main/java/pro/gravit/utils/helper/JarHelper.java
index f707f677..93f3470e 100644
--- a/LauncherCore/src/main/java/pro/gravit/utils/helper/JarHelper.java
+++ b/LauncherCore/src/main/java/pro/gravit/utils/helper/JarHelper.java
@@ -10,12 +10,12 @@
 public class JarHelper {
     @FunctionalInterface
     public interface ZipWalkCallback {
-        void process(ZipInputStream input, ZipEntry e);
+        void process(ZipInputStream input, ZipEntry e) throws IOException;
     }
 
     @FunctionalInterface
     public interface JarWalkCallback {
-        void process(ZipInputStream input, ZipEntry e, String fullClassName, String clazz);
+        void process(ZipInputStream input, ZipEntry e, String fullClassName, String clazz) throws IOException;
     }
 
     public static void zipWalk(ZipInputStream input, ZipWalkCallback callback) throws IOException {
diff --git a/modules b/modules
index 36559441..ed27a816 160000
--- a/modules
+++ b/modules
@@ -1 +1 @@
-Subproject commit 36559441ba26db3cc71818bd8a93b6464f7f00e0
+Subproject commit ed27a816fdc5794be260da0a3fb6e5f27db51bf8