diff --git a/COURS01/FAccueil.Designer.cs b/COURS01/FAccueil.Designer.cs
index 10a4f92..9b39e6b 100644
--- a/COURS01/FAccueil.Designer.cs
+++ b/COURS01/FAccueil.Designer.cs
@@ -90,7 +90,6 @@
             this.MinimizeBox = false;
             this.Name = "EcranAccueil";
             this.Text = "Bienvenue, welcome,...";
-            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.EcranAccueil_FormClosing);
             ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
             this.ResumeLayout(false);
             this.PerformLayout();
diff --git a/COURS01/FAccueil.cs b/COURS01/FAccueil.cs
index 52b77d5..35a29e9 100644
--- a/COURS01/FAccueil.cs
+++ b/COURS01/FAccueil.cs
@@ -35,23 +35,9 @@ namespace COURS01
             }
         }
 
-        private void EcranAccueil_FormClosing(object sender, FormClosingEventArgs e)
-        {
-            if (MessageBox.Show("Voulez-vous vraiment quiter ?", "Souhait", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
-            {
-                e.Cancel = false;
-            }
-            else
-            {
-                e.Cancel = true;
-            }
-        }
-
         private void btnEntrez_Click(object sender, EventArgs e)
         {
-            EcranPrincipal f = new EcranPrincipal(this);
-            this.Hide();
-            f.ShowDialog();//Bloque la fenetre parrent alors que show ne bloque pas le parent
+            Close();
         }
     }
 }
diff --git a/COURS01/FPrincipal.Designer.cs b/COURS01/FPrincipal.Designer.cs
index 312695e..02dc883 100644
--- a/COURS01/FPrincipal.Designer.cs
+++ b/COURS01/FPrincipal.Designer.cs
@@ -109,7 +109,7 @@
             this.MinimizeBox = false;
             this.Name = "EcranPrincipal";
             this.Text = "Ecran Principal";
-            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.mQuitter_Click);
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.EcranAccueil_FormClosing);
             this.menuStrip1.ResumeLayout(false);
             this.menuStrip1.PerformLayout();
             this.ResumeLayout(false);
diff --git a/COURS01/FPrincipal.cs b/COURS01/FPrincipal.cs
index c956692..074fbce 100644
--- a/COURS01/FPrincipal.cs
+++ b/COURS01/FPrincipal.cs
@@ -27,35 +27,29 @@ namespace COURS01
         }
         private void mQuitter_Click(object sender, EventArgs e)
         {
-            if(parentToCloseF)
-            {
-                parentToClose.Close();
-                if (parentToClose.IsDisposed)
-                    Close();
-            }
-            else
-                Close();
+               Close();
         }
 
         private void mQuitter_Click(object sender, FormClosingEventArgs e)
         {
-            if (parentToCloseF)
-            {
-                parentToClose.Close();
-                if (parentToClose.IsDisposed)
-                {
-                    e.Cancel = false;
-                }
-                else
-                    e.Cancel = true;
-            }
-            else
-                e.Cancel = false;
+            Close();
         }
 
         private void mNDef_Click(object sender, EventArgs e)
         {
             MessageBox.Show("Fonctionnalité non implémentée");
         }
+
+        private void EcranAccueil_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            if (MessageBox.Show("Voulez-vous vraiment quiter ?", "Souhait", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+            {
+                e.Cancel = false;
+            }
+            else
+            {
+                e.Cancel = true;
+            }
+        }
     }
 }
diff --git a/COURS01/Program.cs b/COURS01/Program.cs
index bbce60e..f625534 100644
--- a/COURS01/Program.cs
+++ b/COURS01/Program.cs
@@ -17,6 +17,7 @@ namespace COURS01
             Application.EnableVisualStyles();
             Application.SetCompatibleTextRenderingDefault(false);
             Application.Run(new EcranAccueil());
+            Application.Run(new EcranPrincipal());
         }
     }
 }
diff --git a/COURS01/bin/Debug/COURS01.exe b/COURS01/bin/Debug/COURS01.exe
index 4b3dc29..3c88a43 100644
Binary files a/COURS01/bin/Debug/COURS01.exe and b/COURS01/bin/Debug/COURS01.exe differ
diff --git a/COURS01/bin/Debug/COURS01.pdb b/COURS01/bin/Debug/COURS01.pdb
index 134d772..4ba1f06 100644
Binary files a/COURS01/bin/Debug/COURS01.pdb and b/COURS01/bin/Debug/COURS01.pdb differ
diff --git a/COURS01/obj/Debug/COURS01.csproj.FileListAbsolute.txt b/COURS01/obj/Debug/COURS01.csproj.FileListAbsolute.txt
index 067861b..5b6d983 100644
--- a/COURS01/obj/Debug/COURS01.csproj.FileListAbsolute.txt
+++ b/COURS01/obj/Debug/COURS01.csproj.FileListAbsolute.txt
@@ -8,3 +8,4 @@ C:\Users\Adrien\source\repos\COURS01\COURS01\obj\Debug\COURS01.csproj.CoreCompil
 C:\Users\Adrien\source\repos\COURS01\COURS01\obj\Debug\COURS01.exe
 C:\Users\Adrien\source\repos\COURS01\COURS01\obj\Debug\COURS01.pdb
 C:\Users\Adrien\source\repos\COURS01\COURS01\obj\Debug\COURS01.EcranPrincipal.resources
+C:\Users\Adrien\source\repos\COURS01\COURS01\obj\Debug\COURS01.csprojResolveAssemblyReference.cache
diff --git a/COURS01/obj/Debug/COURS01.csproj.GenerateResource.Cache b/COURS01/obj/Debug/COURS01.csproj.GenerateResource.Cache
index 761827a..42dae26 100644
Binary files a/COURS01/obj/Debug/COURS01.csproj.GenerateResource.Cache and b/COURS01/obj/Debug/COURS01.csproj.GenerateResource.Cache differ
diff --git a/COURS01/obj/Debug/COURS01.exe b/COURS01/obj/Debug/COURS01.exe
index 4b3dc29..3c88a43 100644
Binary files a/COURS01/obj/Debug/COURS01.exe and b/COURS01/obj/Debug/COURS01.exe differ
diff --git a/COURS01/obj/Debug/COURS01.pdb b/COURS01/obj/Debug/COURS01.pdb
index 134d772..4ba1f06 100644
Binary files a/COURS01/obj/Debug/COURS01.pdb and b/COURS01/obj/Debug/COURS01.pdb differ