diff --git a/code/PtiClic/res/values/strings.xml b/code/PtiClic/res/values/strings.xml
index 6049f74..1ce20fe 100644
--- a/code/PtiClic/res/values/strings.xml
+++ b/code/PtiClic/res/values/strings.xml
@@ -5,4 +5,5 @@
 	<string name="play_label">Jouer</string>
 	<string name="textInfo"></string>
 <string name="version">0.1</string>
+<string name="server_down">Il y a actuellement un probleme avec le serveur. Veuillez re-essayer dans quelque minutes.</string>
 </resources>
diff --git a/code/PtiClic/src/org/pticlic/FrontPage.java b/code/PtiClic/src/org/pticlic/FrontPage.java
index 6710b1d..037f891 100644
--- a/code/PtiClic/src/org/pticlic/FrontPage.java
+++ b/code/PtiClic/src/org/pticlic/FrontPage.java
@@ -1,6 +1,7 @@
 package org.pticlic;
 
 import org.pticlic.games.BaseGame;
+import org.pticlic.model.Constant;
 import org.pticlic.model.Network;
 
 import android.app.Activity;
@@ -18,6 +19,8 @@ import android.widget.TextView;
 
 public class FrontPage extends Activity implements OnClickListener{
 
+	private Uri uri = null;
+	
 	/** Called when the activity is first created. */
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
@@ -29,6 +32,9 @@ public class FrontPage extends Activity implements OnClickListener{
 		((ImageView)findViewById(R.id.play)).setOnClickListener(this);
 		((ImageView)findViewById(R.id.infoButton)).setOnClickListener(this);
 
+		SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
+		String serverURL = sp.getString(Constant.SERVER_URL, Constant.SERVER);
+		Uri.parse(serverURL + "/signup.php");
 	}
 
 	@Override
@@ -74,7 +80,6 @@ public class FrontPage extends Activity implements OnClickListener{
 					public void onClick(DialogInterface dialog, int id) {
 						dialog.dismiss();
 						// TODO : Essayer de trouver comment mettre l'url qui est dans les preferences.
-						Uri uri = Uri.parse("http://dumbs.fr/~bbrun/pticlic/signup.php");
 						startActivity(new Intent(Intent.ACTION_VIEW, uri));
 					}
 				})
diff --git a/code/PtiClic/src/org/pticlic/Score.java b/code/PtiClic/src/org/pticlic/Score.java
index e7a3a90..d29da70 100644
--- a/code/PtiClic/src/org/pticlic/Score.java
+++ b/code/PtiClic/src/org/pticlic/Score.java
@@ -32,7 +32,7 @@ public class Score extends Activity implements OnClickListener{
 		setContentView(R.layout.score);
 		
 		SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
-		String serverURL = sp.getString(Constant.SERVER_URL, "http://dumbs.fr/~bbrun/pticlic/pticlic.php"); // TODO : Mettre comme valeur par defaut l'adresse reel du serveur
+		String serverURL = sp.getString(Constant.SERVER_URL, Constant.SERVER);
 		String id = sp.getString(Constant.USER_ID, "joueur");
 		String passwd = sp.getString(Constant.USER_PASSWD, "");
 		Mode mode = null;
@@ -64,6 +64,20 @@ public class Score extends Activity implements OnClickListener{
 			});
 			AlertDialog alert = builder.create();
 			alert.show();
+		} catch (Exception e) {
+			AlertDialog.Builder builder = new AlertDialog.Builder(this);
+			builder.setTitle(getString(R.string.app_name))
+			.setIcon(android.R.drawable.ic_dialog_alert)
+			.setMessage(R.string.server_down)
+			.setCancelable(false)
+			.setNegativeButton("Ok", new DialogInterface.OnClickListener() {
+				public void onClick(DialogInterface dialog, int id) {
+					dialog.cancel();
+					finish();
+				}
+			});
+			AlertDialog alert = builder.create();
+			alert.show();
 		}
 		
 		((Button)findViewById(R.id.saw)).setOnClickListener(this);
diff --git a/code/PtiClic/src/org/pticlic/games/BaseGame.java b/code/PtiClic/src/org/pticlic/games/BaseGame.java
index a7a3274..72e9241 100644
--- a/code/PtiClic/src/org/pticlic/games/BaseGame.java
+++ b/code/PtiClic/src/org/pticlic/games/BaseGame.java
@@ -102,6 +102,20 @@ public class BaseGame extends Activity implements OnClickListener {
 			});
 			AlertDialog alert = builder.create();
 			alert.show();
+		} catch (Exception e) {
+			AlertDialog.Builder builder = new AlertDialog.Builder(this);
+			builder.setTitle(getString(R.string.app_name))
+			.setIcon(android.R.drawable.ic_dialog_alert)
+			.setMessage(getString(R.string.server_down))
+			.setCancelable(false)
+			.setNegativeButton("Ok", new DialogInterface.OnClickListener() {
+				public void onClick(DialogInterface dialog, int id) {
+					dialog.cancel();
+					finish();
+				}
+			});
+			AlertDialog alert = builder.create();
+			alert.show();
 		}
 
 	}
diff --git a/code/PtiClic/src/org/pticlic/model/Network.java b/code/PtiClic/src/org/pticlic/model/Network.java
index af84747..03c6da0 100644
--- a/code/PtiClic/src/org/pticlic/model/Network.java
+++ b/code/PtiClic/src/org/pticlic/model/Network.java
@@ -155,7 +155,7 @@ public class Network {
 	 * @param nbGames Le nombre de parties que l'on veut récupérer.
 	 * @return
 	 */
-	public DownloadedGame getGames(int nbGames) throws PtiClicException {
+	public DownloadedGame getGames(int nbGames) throws PtiClicException, Exception {
 		switch (mode) {
 		case SIMPLE_GAME:
 			return DownloadBaseGame(nbGames);
@@ -164,7 +164,7 @@ public class Network {
 		}
 	}
 
-	private DownloadedBaseGame DownloadBaseGame(int nbGames) throws PtiClicException {
+	private DownloadedBaseGame DownloadBaseGame(int nbGames) throws PtiClicException, Exception {
 		DownloadedBaseGame game = null;
 		URL url = null;
 		Gson gson = null;
@@ -267,7 +267,7 @@ public class Network {
 	 * @param game La partie jouee par l'utilisateur 
 	 * @return Le score sous forme JSON.
 	 */
-	public double sendGame(Match game) throws PtiClicException  {
+	public double sendGame(Match game) throws PtiClicException, Exception  {
 		switch (mode) {
 		case SIMPLE_GAME:
 			return sendBaseGame(game);
@@ -277,7 +277,7 @@ public class Network {
 	}
 	
 	
-	public double sendBaseGame(Match game) throws PtiClicException {
+	public double sendBaseGame(Match game) throws PtiClicException, Exception {
 		double score = -1;
 		URL url = null;
 		Gson gson = null;