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diff --git a/src/services/__pycache__/system_monitor.cpython-313.pyc b/src/services/__pycache__/system_monitor.cpython-313.pyc
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diff --git a/src/services/__pycache__/tetris_game.cpython-313.pyc b/src/services/__pycache__/tetris_game.cpython-313.pyc
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diff --git a/src/services/__pycache__/threaden_task.cpython-313.pyc b/src/services/__pycache__/threaden_task.cpython-313.pyc
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diff --git a/src/services/__pycache__/threads_manager.cpython-313.pyc b/src/services/__pycache__/threads_manager.cpython-313.pyc
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diff --git a/src/services/system_monitor.py b/src/services/system_monitor.py
index 8ecdd77..a0d10e9 100644
--- a/src/services/system_monitor.py
+++ b/src/services/system_monitor.py
@@ -1,88 +1,77 @@
-import psutil
-import matplotlib.pyplot as plt
-from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
-import threading
-import tkinter as tk
-import time
-
-class SystemMonitor:
-    def __init__(self, parent_frame):
-        self.parent_frame = parent_frame
-        self.max_data_points = 60
-        self.running = True  # Indicador para detener los hilos
-        self.metrics = {
-            "CPU Usage": {
-                "data": [],
-                "thread": None,
-                "fetch_func": psutil.cpu_percent,
-                "interval": 1
-            },
-            "RAM Usage": {
-                "data": [],
-                "thread": None,
-                "fetch_func": lambda: psutil.virtual_memory().percent,
-                "interval": 1
-            }
-        }
-        self.graphs = {}
-        self.init_graphs()
-
-    def init_graphs(self):
-        """Crea gráficos para todas las métricas y arranca sus hilos de actualización."""
-        for metric, config in self.metrics.items():
-            fig, ax, line = self.create_graph(metric)
-            self.graphs[metric] = {"figure": fig, "axis": ax, "line": line}
-
-            # Crear y arrancar el hilo para actualizar esta métrica
-            thread = threading.Thread(target=self.update_metric, args=(metric,), daemon=True)
-            self.metrics[metric]["thread"] = thread
-            thread.start()
-
-    def create_graph(self, title):
-        """Crea un gráfico para una métrica específica."""
-        frame = tk.Frame(self.parent_frame)
-        frame.pack(fill=tk.BOTH, expand=True, padx=5, pady=5)
-
-        label = tk.Label(frame, text=title, font=("Arial", 14, "bold"))
-        label.pack()
-
-        fig, ax = plt.subplots(figsize=(5, 3))
-        ax.set_title(title)
-        ax.set_xlabel("Time")
-        ax.set_ylabel("Usage (%)")
-        ax.set_ylim(0, 100)
-        line, = ax.plot([], [], lw=2)
-
-        canvas = FigureCanvasTkAgg(fig, frame)
-        canvas.get_tk_widget().pack(fill=tk.BOTH, expand=True)
-
-        return fig, ax, line
-
-    def update_metric(self, metric):
-        config = self.metrics[metric]
-        while self.running:
-            try:
-                new_data = config["fetch_func"]()
-                config["data"].append(new_data)
-
-                if len(config["data"]) > self.max_data_points:
-                    config["data"].pop(0)
-
-                self.update_graph(metric, config["data"])
-                time.sleep(config["interval"])
-            except Exception as e:
-                print(f"Error en update_metric ({metric}): {e}")
+import psutil  
+import matplotlib.pyplot as plt  
+from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg  
+import tkinter as tk  
 
 
+class SystemMonitor:  
+    def __init__(self, parent_frame):  
+        self.parent_frame = parent_frame  
+        self.max_data_points = 60  
+        self.running = False  
+        self.metrics = {  
+            "CPU Usage": {  
+                "data": [],  
+                "fetch_func": psutil.cpu_percent,  
+                "interval": 1  
+            },  
+            "RAM Usage": {  
+                "data": [],  
+                "fetch_func": lambda: psutil.virtual_memory().percent,  
+                "interval": 1  
+            }  
+        }  
+        self.graphs = {}  
+        self.init_graphs()  
 
-    def update_graph(self, metric, data):
-        """Actualiza un gráfico con nuevos datos."""
-        graph = self.graphs[metric]
-        x = list(range(len(data)))
-        graph["line"].set_data(x, data)
-        graph["axis"].set_xlim(0, len(data))
-        graph["figure"].canvas.draw()
+    def init_graphs(self):  
+        """Crea gráficos para todas las métricas."""  
+        for metric, config in self.metrics.items():  
+            fig, ax, line = self.create_graph(metric)  
+            self.graphs[metric] = {"figure": fig, "axis": ax, "line": line}  
 
-    def stop_threads(self):
-        """Detiene la ejecución de todos los hilos de monitoreo."""
-        self.running = False
+    def create_graph(self, title):  
+        """Crea un gráfico para una métrica específica."""  
+        frame = tk.Frame(self.parent_frame)  
+        frame.pack(fill=tk.BOTH, expand=True, padx=5, pady=5)  
+
+        label = tk.Label(frame, text=title, font=("Arial", 14, "bold"))  
+        label.pack()  
+
+        fig, ax = plt.subplots(figsize=(5, 3))  
+        ax.set_title(title)  
+        ax.set_xlabel("Time")  
+        ax.set_ylabel("Usage (%)")  
+        ax.set_ylim(0, 100)  
+        line, = ax.plot([], [], lw=2)  
+
+        canvas = FigureCanvasTkAgg(fig, frame)  
+        canvas.get_tk_widget().pack(fill=tk.BOTH, expand=True)  
+
+        return fig, ax, line  
+
+    def update_metric(self, metric):  
+        """Actualiza los datos de una métrica específica."""  
+        config = self.metrics[metric]  
+        try:  
+            new_data = config["fetch_func"]()  
+            config["data"].append(new_data)  
+
+            if len(config["data"]) > self.max_data_points:  
+                config["data"].pop(0)  
+
+            self.update_graph(metric, config["data"])  
+        except Exception as e:  
+            print(f"Error en update_metric ({metric}): {e}")  
+
+    def update_graph(self, metric, data):  
+        """Actualiza un gráfico con nuevos datos."""  
+        graph = self.graphs[metric]  
+        x = list(range(len(data)))  
+
+        def redraw():  
+            graph["line"].set_data(x, data)  
+            graph["axis"].set_xlim(0, len(data))  
+            graph["figure"].canvas.draw()  
+
+        self.parent_frame.after(0, redraw)  
\ No newline at end of file
diff --git a/src/services/threaden_task.py b/src/services/threaden_task.py
new file mode 100644
index 0000000..30c88d3
--- /dev/null
+++ b/src/services/threaden_task.py
@@ -0,0 +1,22 @@
+import threading
+
+"""Clase que se encarga de manjear hilos. Permite arrancar y parar un hilo"""
+
+class ThreadenTask:
+    def __init__(self):
+        self.running = False
+        self.thread = None
+
+
+    def start(self, target, *args):
+        """Inicia un hilo con el objetivo especificado."""
+        if not self.running:
+            self.running = True
+            self.thread = threading.Thread(target=target, args=args, daemon=True)
+            self.thread.start()
+
+    def stop(self):
+        """Detiene el hilo"""
+        self.running = False
+        if self.thread:
+            self.thread.join()
\ No newline at end of file
diff --git a/src/services/threads_manager.py b/src/services/threads_manager.py
index e3dcaa1..0035300 100644
--- a/src/services/threads_manager.py
+++ b/src/services/threads_manager.py
@@ -1,35 +1,86 @@
-import threading
 import datetime
 import time
 import requests
 import random
 
+from services.threaden_task import ThreadenTask
+from services.system_monitor import SystemMonitor
+
 class ThreadsManager:
+    """Constructor"""
     def __init__(self, ui_instance):
         self.ui_instance = ui_instance
+        self.system_monitor = None
+        self.tasks = {
+            "time": ThreadenTask(),
+            "temperature": ThreadenTask(), 
+            "emails":ThreadenTask(),
+        }
+        self.system_monitor_tasks = {}
+      
+
+
+    def set_system_monitor(self, system_monitor):
+        """Asigna el monitor del sistema y crea sus tareas"""
+        self.system_monitor = system_monitor
+        for metric in system_monitor.metrics.keys():
+            self.system_monitor_tasks[metric] = ThreadenTask()
+
+
 
     def start_threads(self):
-        # Hilo para actualizar el reloj
-        threading.Thread(target=self.update_time, daemon=True).start()
+        """Se inician los hilos, Tiempo, Temperatura, Emails"""
+        self.tasks["time"].start(self.update_time)
+        self.tasks["temperature"].start(self.update_temperature)
+        self.tasks["emails"].start(self.update_emails)
 
-        # Hilo para actualizar la temperatura
-        threading.Thread(target=self.update_temperature, daemon=True).start()
+        if self.system_monitor:
+            for metric in self.system_monitor.metrics.keys():
+                self.system_monitor_tasks[metric].start(
+                    self.update_system_metric,
+                    metric
+                )
 
-        # Hilo para actualizar correos (simulado)
-        threading.Thread(target=self.update_emails, daemon=True).start()
 
+
+    def stop_threads(self):
+        """Recorre tasks y para los hilos"""
+        for task in self.tasks.values():
+            task.stop()
+
+        for task in self.system_monitor_tasks.values():
+            task.stop()
+
+        if self.system_monitor:
+            self.system_monitor.running = False
+
+
+
+    def update_system_metric(self, metric):  
+        """Actualiza una métrica específica del monitor del sistema."""  
+        while self.system_monitor_tasks[metric].running:  
+            try:  
+                self.system_monitor.update_metric(metric)  
+                time.sleep(self.system_monitor.metrics[metric]["interval"])  
+            except Exception as e:  
+                print(f"Error updating metric {metric}: {e}")  
+
+
+        
     def update_time(self):
-        while True:
+        while self.tasks["time"].running:
             current_time = datetime.datetime.now().strftime('%H:%M:%S')
             current_date = datetime.datetime.now().strftime('%d/%m/%Y')
             self.ui_instance.after(0, lambda: self.ui_instance.info_labels["hora"].configure(text=f"Hora: {current_time}"))
             self.ui_instance.after(0, lambda: self.ui_instance.info_labels["fecha"].configure(text=f"Fecha: {current_date}"))
             time.sleep(1)
 
+
+
     def update_temperature(self):
         API_KEY = "4ba2b87d7fa32934530b5b4a5a83ebf7"  # Reemplaza con tu clave de OpenWeatherMap
         CITY = "Madrid"  # Cambia por tu ciudad
-        while True:
+        while self.tasks["temperature"].running:
             try:
                 temperature = self.get_real_temperature(API_KEY, CITY)
                 if temperature is not None:
@@ -41,6 +92,8 @@ class ThreadsManager:
                 print(f"Error al obtener la temperatura: {e}")
             time.sleep(600)  # Actualiza cada 10 minutos
 
+
+
     def get_real_temperature(self, api_key, city):
         url = f"http://api.openweathermap.org/data/2.5/weather?q={city}&appid={api_key}&units=metric"
         response = requests.get(url)
@@ -50,13 +103,17 @@ class ThreadsManager:
         else:
             print(f"Error al obtener la temperatura: {response.status_code}")
             return None
+        
+
 
     def update_emails(self):
         count = 0
-        while True:
+        while self.tasks["emails"].running:
             count += random.randint(0, 2)  # Simula la llegada de 0-2 correos
             self.ui_instance.after(
                 0,
                 lambda: self.ui_instance.info_labels["emails"].configure(text=f"Correos sin leer: {count}")
             )
-            time.sleep(10)  # Actualiza cada 10 segundos
+            time.sleep(20)  # Actualiza cada 10 segundos
+
+   
diff --git a/src/ui/__pycache__/__init__.cpython-313.pyc b/src/ui/__pycache__/__init__.cpython-313.pyc
new file mode 100644
index 0000000..ca5c9ae
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diff --git a/src/ui/__pycache__/centered_window.cpython-313.pyc b/src/ui/__pycache__/centered_window.cpython-313.pyc
new file mode 100644
index 0000000..3bdf8ae
Binary files /dev/null and b/src/ui/__pycache__/centered_window.cpython-313.pyc differ
diff --git a/src/ui/centered_window.py b/src/ui/centered_window.py
index 5aca4fc..315dd4f 100644
--- a/src/ui/centered_window.py
+++ b/src/ui/centered_window.py
@@ -8,18 +8,19 @@ import threading
 from services.threads_manager import ThreadsManager
 from services.processes_manager import ProcessManager
 from services.tetris_game import TetrisGame
+from services.system_monitor import SystemMonitor
 
 
 class CenteredWindow(ctk.CTk):
     def __init__(self, title="MultiApp", width_percentage=0.8, height_percentage=0.8):
         # Inicializacion de la clase:
         super().__init__()
-
-        # Titulo de la ventana:
         self.title(title)
 
+        # Inicializar managers (orden es importante)
         self.thread_manager = ThreadsManager(self)
         self.process_manager = ProcessManager()
+        self.system_monitor = None
 
         # Obtener la resolucion de la pantalla:
         screen_width = self.winfo_screenwidth()
@@ -38,6 +39,8 @@ class CenteredWindow(ctk.CTk):
         #Configura la ventana
         self.configure_window()
 
+        self.protocol("WM_DELETE_WINDOW", self.on_close)
+
     def configure_window(self):
         # Configuracion de la ventana:
         self.configure(bg_color="lightgray")
@@ -45,8 +48,18 @@ class CenteredWindow(ctk.CTk):
         self.create_right_panel()
         self.create_center_panel()
         self.create_bottom_bar()
+
         self.thread_manager.start_threads()
 
+    
+
+    def on_close(self):
+        """Maneja el cierre de la ventana"""
+        self.thread_manager.stop_threads()
+        self.destroy()
+
+
+
     def create_left_panel(self):
         # Panel izquierdo
         left_panel = ctk.CTkFrame(self, width=200)
@@ -70,6 +83,8 @@ class CenteredWindow(ctk.CTk):
                 btn = ctk.CTkButton(left_panel, text=text, command=command, width=150)
                 btn.pack(pady=5, padx=10)
 
+
+
     def create_center_panel(self):
         # Panel central con pestañas
         center_panel = ctk.CTkFrame(self)
@@ -82,7 +97,18 @@ class CenteredWindow(ctk.CTk):
         for tab_name in ["Resultados Scrapping", "Navegador", "Correos", "Juego", "Sistema"]:
             tab = tab_view.add(tab_name)
 
-            if tab_name == "Juego":
+            if tab_name == "Sistema":
+                # Crear un frame para los gráficos del sistema  
+                system_frame = ctk.CTkFrame(tab)  
+                system_frame.pack(fill=ctk.BOTH, expand=True, padx=5, pady=5)  
+
+                # Inicializar SystemMonitor con el frame de la pestaña  
+                self.system_monitor = SystemMonitor(system_frame)  
+
+                # Asignar el system_monitor al thread_manager  
+                self.thread_manager.set_system_monitor(self.system_monitor)
+
+            elif tab_name == "Juego":
                 # Crear un marco intermedio para centrar
                 game_frame = ctk.CTkFrame(tab)
                 game_frame.pack(expand=True)
@@ -109,16 +135,22 @@ class CenteredWindow(ctk.CTk):
                 label = ctk.CTkLabel(tab, text=f"Contenido de {tab_name}", font=("Arial", 12))
                 label.pack(pady=10)
 
+
+
     def start_tetris_game(self):
         """Método para iniciar el juego."""
         if not self.tetris_game.running:
             self.tetris_game.running = True
             self.tetris_game.update_game()
 
+
+
     def pause_tetris_game(self):
         """Método para pausar el juego."""
         self.tetris_game.running = False
 
+
+
     def restart_tetris_game(self):
         """Método para reiniciar el juego."""
         self.tetris_game.reset_game()
@@ -153,6 +185,8 @@ class CenteredWindow(ctk.CTk):
             )
             student_info.pack(anchor=ctk.W, padx=10)
 
+
+
     def create_bottom_bar(self):
         # Crear la barra inferior
         self.bottom_bar = ctk.CTkFrame(self, fg_color="lightblue", height=40)
@@ -170,5 +204,7 @@ class CenteredWindow(ctk.CTk):
         for label in self.info_labels.values():
             label.pack(side=ctk.LEFT, padx=10, pady=5)
 
+
+
     def dummy_action(self):
         print("Acción no implementada")
\ No newline at end of file