diff --git a/backend/launcher.js b/backend/launcher.js
index d406cc7..f7692c3 100644
--- a/backend/launcher.js
+++ b/backend/launcher.js
@@ -7,6 +7,7 @@ const axios = require('axios');
 const AdmZip = require('adm-zip');
 const { v4: uuidv4 } = require('uuid');
 const crypto = require('crypto');
+const logger = require('./logger');
 
 const execAsync = promisify(exec);
 const execFileAsync = promisify(execFile);
@@ -55,8 +56,14 @@ function setupWaylandEnvironment() {
   
   const envVars = {
     SDL_VIDEODRIVER: 'wayland',
+    GDK_BACKEND: 'wayland',
+    QT_QPA_PLATFORM: 'wayland',
+    MOZ_ENABLE_WAYLAND: '1',
+    _JAVA_AWT_WM_NONREPARENTING: '1'
   };
   
+  envVars.ELECTRON_OZONE_PLATFORM_HINT = 'wayland';
+  
   console.log('Wayland environment variables:', envVars);
   return envVars;
 }
@@ -2212,5 +2219,6 @@ module.exports = {
   markAsLaunched,
   checkExistingGameInstallation,
   proposeGameUpdate,
-  handleFirstLaunchCheck
+  handleFirstLaunchCheck,
+  getResolvedAppDir
 };
diff --git a/backend/logger.js b/backend/logger.js
new file mode 100644
index 0000000..2064969
--- /dev/null
+++ b/backend/logger.js
@@ -0,0 +1,213 @@
+const fs = require('fs');
+const path = require('path');
+const os = require('os');
+
+class Logger {
+  constructor() {
+    this.logDir = null;
+    this.logFile = null;
+    this.maxLogSize = 10 * 1024 * 1024; // 10MB
+    this.maxLogFiles = 5; 
+    this.originalConsole = {
+      log: console.log,
+      error: console.error,
+      warn: console.warn,
+      info: console.info
+    };
+    
+    this.initializeLogDirectory();
+  }
+
+  getAppDir() {
+    const home = os.homedir();
+    if (process.platform === 'win32') {
+      return path.join(home, 'AppData', 'Local', 'HytaleF2P');
+    } else if (process.platform === 'darwin') {
+      return path.join(home, 'Library', 'Application Support', 'HytaleF2P');
+    } else {
+      return path.join(home, '.hytalef2p');
+    }
+  }
+
+  getInstallPath() {
+    try {
+      const configFile = path.join(this.getAppDir(), 'config.json');
+      if (fs.existsSync(configFile)) {
+        const config = JSON.parse(fs.readFileSync(configFile, 'utf8'));
+        if (config.installPath && config.installPath.trim()) {
+          return path.join(config.installPath.trim(), 'HytaleF2P');
+        }
+      }
+    } catch (err) {
+    }
+    return this.getAppDir();
+  }
+
+  initializeLogDirectory() {
+    try {
+      const installPath = this.getInstallPath();
+      this.logDir = path.join(installPath, 'logs');
+      
+      if (!fs.existsSync(this.logDir)) {
+        fs.mkdirSync(this.logDir, { recursive: true });
+      }
+
+      const today = new Date();
+      const dateString = today.toISOString().split('T')[0]; // YYYY-MM-DD
+      const timeString = today.toISOString().split('T')[1].split('.')[0].replace(/:/g, '-'); // HH-MM-SS
+      this.logFile = path.join(this.logDir, `launcher-${dateString}-${timeString}.log`);
+      
+      this.writeToFile(`\n=== NEW LAUNCHER SESSION - ${today.toISOString()} ===\n`);
+      
+    } catch (error) {
+      this.logDir = path.join(os.tmpdir(), 'HytaleF2P-logs');
+      if (!fs.existsSync(this.logDir)) {
+        fs.mkdirSync(this.logDir, { recursive: true });
+      }
+      const today = new Date();
+      const dateString = today.toISOString().split('T')[0];
+      const timeString = today.toISOString().split('T')[1].split('.')[0].replace(/:/g, '-');
+      this.logFile = path.join(this.logDir, `launcher-${dateString}-${timeString}.log`);
+      this.writeToFile(`\n=== FALLBACK SESSION IN TEMP - ${today.toISOString()} ===\n`);
+    }
+  }
+
+  writeToFile(message) {
+    if (!this.logFile) return;
+    
+    try {
+      if (fs.existsSync(this.logFile)) {
+        const stats = fs.statSync(this.logFile);
+        if (stats.size > this.maxLogSize) {
+          this.rotateLogFile();
+        }
+      }
+      
+      fs.appendFileSync(this.logFile, message, 'utf8');
+    } catch (error) {
+      this.originalConsole.error('Impossible d\'écrire dans le fichier de log:', error.message);
+    }
+  }
+
+  rotateLogFile() {
+    try {
+      const today = new Date();
+      const dateString = today.toISOString().split('T')[0];
+      const timeString = today.toISOString().split('T')[1].split('.')[0].replace(/:/g, '-');
+      
+      const rotatedFile = path.join(this.logDir, `launcher-${dateString}-${timeString}.log`);
+      fs.renameSync(this.logFile, rotatedFile);
+      
+      this.cleanupOldLogs();
+      
+      const newToday = new Date();
+      const newDateString = newToday.toISOString().split('T')[0];
+      const newTimeString = newToday.toISOString().split('T')[1].split('.')[0].replace(/:/g, '-');
+      this.logFile = path.join(this.logDir, `launcher-${newDateString}-${newTimeString}.log`);
+      this.writeToFile(`\n=== LOG ROTATION - ${newToday.toISOString()} ===\n`);
+      
+    } catch (error) {
+      this.originalConsole.error('Erreur lors de la rotation des logs:', error.message);
+    }
+  }
+
+  cleanupOldLogs() {
+    try {
+      const files = fs.readdirSync(this.logDir)
+        .filter(file => file.startsWith('launcher-') && file.endsWith('.log'))
+        .map(file => ({
+          name: file,
+          path: path.join(this.logDir, file),
+          mtime: fs.statSync(path.join(this.logDir, file)).mtime
+        }))
+        .sort((a, b) => b.mtime - a.mtime); 
+
+      if (files.length > this.maxLogFiles) {
+        const filesToDelete = files.slice(this.maxLogFiles);
+        filesToDelete.forEach(file => {
+          try {
+            fs.unlinkSync(file.path);
+          } catch (err) {
+            this.originalConsole.error(`Impossible de supprimer le fichier de log ${file.name}:`, err.message);
+          }
+        });
+      }
+    } catch (error) {
+      this.originalConsole.error('Erreur lors du nettoyage des logs:', error.message);
+    }
+  }
+
+  formatLogMessage(level, ...args) {
+    const timestamp = new Date().toISOString();
+    const message = args.map(arg => {
+      if (typeof arg === 'object') {
+        try {
+          return JSON.stringify(arg, null, 2);
+        } catch (e) {
+          return String(arg);
+        }
+      }
+      return String(arg);
+    }).join(' ');
+    
+    return `[${timestamp}] [${level.toUpperCase()}] ${message}\n`;
+  }
+
+  log(...args) {
+    const logMessage = this.formatLogMessage('info', ...args);
+    this.writeToFile(logMessage);
+    this.originalConsole.log(...args);
+  }
+
+  error(...args) {
+    const logMessage = this.formatLogMessage('error', ...args);
+    this.writeToFile(logMessage);
+    this.originalConsole.error(...args);
+  }
+
+  warn(...args) {
+    const logMessage = this.formatLogMessage('warn', ...args);
+    this.writeToFile(logMessage);
+    this.originalConsole.warn(...args);
+  }
+
+  info(...args) {
+    const logMessage = this.formatLogMessage('info', ...args);
+    this.writeToFile(logMessage);
+    this.originalConsole.info(...args);
+  }
+
+  interceptConsole() {
+    console.log = (...args) => this.log(...args);
+    console.error = (...args) => this.error(...args);
+    console.warn = (...args) => this.warn(...args);
+    console.info = (...args) => this.info(...args);
+    
+    process.on('uncaughtException', (error) => {
+      this.error('Uncaught exception:', error.stack || error.message);
+    });
+    
+    process.on('unhandledRejection', (reason, promise) => {
+      this.error('Unhandled rejection at', promise, 'reason:', reason);
+    });
+  }
+
+  restoreConsole() {
+    console.log = this.originalConsole.log;
+    console.error = this.originalConsole.error;
+    console.warn = this.originalConsole.warn;
+    console.info = this.originalConsole.info;
+  }
+
+  getLogDirectory() {
+    return this.logDir;
+  }
+
+  updateInstallPath() {
+    this.initializeLogDirectory();
+  }
+}
+
+const logger = new Logger();
+
+module.exports = logger;
\ No newline at end of file
diff --git a/backend/updateManager.js b/backend/updateManager.js
index 3a070a4..9346ab7 100644
--- a/backend/updateManager.js
+++ b/backend/updateManager.js
@@ -1,7 +1,7 @@
 const axios = require('axios');
 
 const UPDATE_CHECK_URL = 'http://3.10.208.30:3002/api/version_launcher';
-const CURRENT_VERSION = '2.0.0';
+const CURRENT_VERSION = '2.0.1';
 const GITHUB_DOWNLOAD_URL = 'https://github.com/amiayweb/Hytale-F2P/';
 
 class UpdateManager {