diff --git a/CenRa_POSTGIS/postgis_rename.py b/CenRa_POSTGIS/postgis_rename.py
index 0180602..93101c7 100644
--- a/CenRa_POSTGIS/postgis_rename.py
+++ b/CenRa_POSTGIS/postgis_rename.py
@@ -36,7 +36,7 @@ import base64
 from qgis.utils import iface
 
 EDITOR_CLASS = load_ui('CenRa_PostgisRename_base.ui')
-
+ch = [u"à", u"À", u"â", u"Â", u"ä", u"Ä", u"å", u"Å", u"ç", u"Ç", u"é", u"É", u"è", u"È", u"ê", u"Ê", u"ë", u"Ë", u"î", u"Î", u"ï", u"Ï", u"ô", u"Ô", u"ö", u"Ö", u"ù", u"Ù", u"û", u"Û", u"ü", u"Ü", u"ÿ", u"Ÿ", u"'", u"-", u" "]
 first_conn = psycopg2.connect("host=" + host + " port=" + port + " dbname="+dbname+" user=first_cnx password=" + password)
 first_cur = first_conn.cursor(cursor_factory = psycopg2.extras.DictCursor)
 first_cur.execute("SELECT mdp_w, login_w FROM pg_catalog.pg_user t1, admin_sig.vm_users_sig t2 WHERE t2.oid = t1.usesysid AND (login_w = '" + os_user + "' OR login_w = '" + os_user + "')")
@@ -83,14 +83,41 @@ class Postgis_Rename(QDialog, EDITOR_CLASS):
             self.departement.setCurrentIndex(self.departement.findText(last_value_departement))
 
     def Test(self):
-        if self.schema.currentText() != '':
+        oldSchema = self.schema.currentText()
+        if oldSchema != '':
             allIsGood = 0
             
+            GET_COUNT_LEFT = "SELECT count(*) FROM information_schema.tables WHERE table_schema LIKE left(table_name,"+str(len(oldSchema))+") AND table_schema LIKE '"+oldSchema+"';"
+            GET_COUNT_TOT = "SELECT count(*) FROM information_schema.tables WHERE table_schema LIKE '"+oldSchema+"';"
             
+            cur.execute(GET_COUNT_TOT)
+            CountTot = cur.fetchall()[0]
+            cur.execute(GET_COUNT_LEFT)
+            CountLeft = cur.fetchall()[0]
+
+            if CountLeft[0] == CountTot[0]:
+                allIsGood = allIsGood+1
+                self.couche.setChecked(1)
+            else:
+                self.couche.setChecked(0)
+
+            GET_GRANTEE_PRIVILEGE = "SELECT DISTINCT count(*) FROM information_schema.role_table_grants WHERE table_schema LIKE '"+oldSchema+"' AND grantee LIKE 'grp_qgis' AND privilege_type LIKE 'UPDATE';"
+            cur.execute(GET_GRANTEE_PRIVILEGE)
+            CountPrivilege = cur.fetchall()[0]
+
+            if CountTot[0] == CountPrivilege[0]:
+                allIsGood = allIsGood+1
+                self.compte.setChecked(1)
+            else:
+                self.compte.setChecked(0)
+
             if allIsGood == 2:
                 self.groupBox_3.show()
                 self.loadValue()
                 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(True)
+            else:
+                self.groupBox_3.hide()
+                self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(False)
         else:
             self.old_name.setText('')
 
@@ -189,6 +216,16 @@ class Postgis_Rename(QDialog, EDITOR_CLASS):
         self.QMBquestion.setIcon(QMessageBox.Warning)
         self.QMBquestion.setText("Attention, le renommage de dossier PostGIS peut engendrer des pertes de liaisons avec des projets QGIS !")
         self.QMBquestion.setStandardButtons(QMessageBox.Yes|QMessageBox.No)
-        self.QMBquestion = self.QMBquestion.exec()
+        if self.new_name.text() != '':
+            error_caracteres = 0
+            for caracteres in ch :
+                if self.new_name.text().find(caracteres) != -1 :
+                    error_caracteres = 1
+            if error_caracteres == 0:
+                self.QMBquestion = self.QMBquestion.exec()
+            else:
+                QMessageBox.warning(None, "Oups :", u"Le nom de dossier ne doit pas comporter de caractères spéciaux, ni d'espaces !\n\n\t" + self.new_name.text().lower() )
+        else:
+            QMessageBox.warning(None, "Oups :", "Votre projet doit avoire un nom !")
         if self.QMBquestion == QMessageBox.Yes:
             self.updateName()
diff --git a/CenRa_POSTGIS/tools/ui/CenRa_PostgisRename_base.ui b/CenRa_POSTGIS/tools/ui/CenRa_PostgisRename_base.ui
index 2299e68..53320c7 100644
--- a/CenRa_POSTGIS/tools/ui/CenRa_PostgisRename_base.ui
+++ b/CenRa_POSTGIS/tools/ui/CenRa_PostgisRename_base.ui
@@ -94,7 +94,7 @@
       </spacer>
      </item>
      <item row="0" column="1">
-      <widget class="QCheckBox" name="checkBox">
+      <widget class="QCheckBox" name="compte">
        <property name="enabled">
         <bool>false</bool>
        </property>
@@ -117,7 +117,7 @@
       </spacer>
      </item>
      <item row="1" column="1">
-      <widget class="QCheckBox" name="checkBox_2">
+      <widget class="QCheckBox" name="couche">
        <property name="enabled">
         <bool>false</bool>
        </property>