diff --git a/SupportPC.py b/SupportPC.py
index 793140c..6605f22 100644
--- a/SupportPC.py
+++ b/SupportPC.py
@@ -6,7 +6,6 @@ import getpass
 import socket
 from PyQt5.QtWidgets import QApplication, QMainWindow, QTextEdit, QPushButton, QLineEdit
 
-# TODO gérer les erreurs de timeout, retour et overload de l'API
 # TODO gérer le formattage / affichage de la réponse quand c'est une liste à points.
 
 class MainWindow(QMainWindow):
@@ -69,10 +68,39 @@ class MainWindow(QMainWindow):
 
         self.chat_log.append({"role": "user", "content": user_message})
         self.write_to_file()
-        reply = openai.ChatCompletion.create(
-            model="gpt-3.5-turbo",
-            messages=self.chat_log)
-        response=reply['choices'][0]['message']['content']
+        try:
+            reply = openai.ChatCompletion.create(
+                model="gpt-3.5-turbo",
+                messages=self.chat_log)
+            response=reply['choices'][0]['message']['content']
+        except openai.error.APIError as e:
+            #Handle API error here, e.g. retry or log
+            self.chat_log.append({"OpenAI API returned an API Error: {e}"})
+            pass
+        except openai.error.Timeout as e:
+            #Handle connection error here
+            self.chat_log.append({"Failed to connect to OpenAI API: {e}"})
+            pass
+        except openai.error.RateLimitError as e:
+            #Handle rate limit error (we recommend using exponential backoff)
+            self.chat_log.append({"OpenAI API request exceeded rate limit: {e}"})
+            pass
+        except openai.error.APIConnectionError as e:
+            #Handle Issue connecting to our services
+            self.chat_log.append({"Check your network settings, proxy configuration, SSL certificates, or firewall rules: {e}"})
+            pass
+        except openai.error.InvalidRequestError as e:
+            #Handle when your request was malformed or missing some required parameters, such as a token or an input
+            self.chat_log.append({"The error message should advise you on the specific error made: {e}"})
+            pass
+        except openai.error.AuthenticationError as e:
+            #Handle validation of your API key or token fail
+            self.chat_log.append({"Your API key or token was invalid, expired, or revoked: {e}"})
+            pass
+        except openai.error.ServiceUnavailableError as e:
+            #Handle Issue on OpenAI servers
+            self.chat_log.append({"Retry your request after a brief wait and contact us if the issue persists: {e}"})
+            pass
 
         # Increment message counter
         ###self.num_messages += 1