diff --git a/lib/Alchemy/Phrasea/Application/Overview.php b/lib/Alchemy/Phrasea/Application/Overview.php
index 7fa225ac68..ea2d561569 100644
--- a/lib/Alchemy/Phrasea/Application/Overview.php
+++ b/lib/Alchemy/Phrasea/Application/Overview.php
@@ -57,7 +57,7 @@ return call_user_func(
 
                     }
 
-                    $response = \set_export::stream_file($pathOut, $file->get_file(), $file->get_mime(), 'attachment');
+                    $response = \set_export::stream_file($pathOut, $file->get_file(), $file->get_mime(), 'inline');
                     $response->setPrivate();
 
                     /* @var $response \Symfony\Component\HttpFoundation\Response */
diff --git a/lib/Alchemy/Phrasea/Controller/Setup/Installer.php b/lib/Alchemy/Phrasea/Controller/Setup/Installer.php
index d8eea5740a..a2b5fcec64 100644
--- a/lib/Alchemy/Phrasea/Controller/Setup/Installer.php
+++ b/lib/Alchemy/Phrasea/Controller/Setup/Installer.php
@@ -180,8 +180,6 @@ class Installer implements ControllerProviderInterface
                 \setup::rollback($conn, $connbas);
 
                 try {
-                    $setupRegistry = new \Setup_Registry();
-                    $setupRegistry->set('GV_ServerName', $servername, \registry::TYPE_STRING);
 
                     $appbox = \appbox::create($app['Core'], $setupRegistry, $conn, $appbox_name, true);
 
diff --git a/lib/Doctrine/Repositories/ValidationParticipantRepository.php b/lib/Doctrine/Repositories/ValidationParticipantRepository.php
index 53a222762a..1f210d5b23 100644
--- a/lib/Doctrine/Repositories/ValidationParticipantRepository.php
+++ b/lib/Doctrine/Repositories/ValidationParticipantRepository.php
@@ -12,6 +12,7 @@
 namespace Repositories;
 
 use Doctrine\ORM\EntityRepository;
+use Doctrine\DBAL\Types\Type;
 
 /**
  *
@@ -21,5 +22,26 @@ use Doctrine\ORM\EntityRepository;
 class ValidationParticipantRepository extends EntityRepository
 {
 
+    /**
+     * Retrieve all not reminded participants where the validation has not expired
+     *
+     * @param $expireDate The expiration Date
+     * @return array
+     */
+    public function findNotConfirmedAndNotRemindedParticipantsByExpireDate(\DateTime $expireDate)
+    {
+        $dql = '
+            SELECT p, s
+            FROM Entities\ValidationParticipant p
+            JOIN p.session s
+            JOIN s.basket b
+            WHERE p.is_confirmed = 0
+            AND p.reminded IS NULL
+            AND s.expires < :date';
+
+        return $this->_em->createQuery($dql)
+                ->setParameter('date', $expireDate, Type::DATETIME)
+                ->getResult();
+    }
 }
 
diff --git a/lib/classes/Session/Handler.class.php b/lib/classes/Session/Handler.class.php
index 2b5d7680fb..6eebf2480d 100644
--- a/lib/classes/Session/Handler.class.php
+++ b/lib/classes/Session/Handler.class.php
@@ -367,16 +367,13 @@ class Session_Handler
             throw new Exception_ServiceUnavailable();
         }
 
-        $registry = $this->appbox->get_registry();
-
         $conn = $this->appbox->get_connection();
         $browser = Browser::getInstance();
 
-        $sbases = array();
-
         $this->send_reminders();
 
         $auth->prelog();
+
         if ($this->is_authenticated() && $this->get_usr_id() == $auth->get_user()->get_id()) {
             return $this;
         }
@@ -533,38 +530,39 @@ class Session_Handler
             return $this;
         }
 
-        $Core = bootstrap::getCore();
+        $core = bootstrap::getCore();
 
-        $registry = $Core->getRegistry();
-        $date_two_day = new DateTime('+' . (int) $registry->get('GV_validation_reminder') . ' days');
+        $registry = $core->getRegistry();
 
-        $events_mngr = eventsmanager_broker::getInstance($this->appbox, $Core);
+        $date = new DateTime('+' . (int) $registry->get('GV_validation_reminder') . ' days');
 
-        $sql = 'SELECT v.id as validate_id, v.usr_id, v.ssel_id
-              , s.usr_id as owner, t.value
-            FROM (validate v, ssel s)
-              INNER JOIN tokens t
-                ON (t.datas = s.ssel_id
-                    AND v.usr_id=t.usr_id AND t.type="validate")
-            WHERE expires_on < :expires_on
-            AND ISNULL(last_reminder) AND confirmed="0" AND s.ssel_id = v.ssel_id ';
+        $eventsMngr = eventsmanager_broker::getInstance($this->appbox, $core);
 
-        $stmt = $this->appbox->get_connection()->prepare($sql);
-        $stmt->execute(array(':expires_on' => phraseadate::format_mysql($date_two_day)));
-        $rs = $stmt->fetchAll(PDO::FETCH_ASSOC);
-        $stmt->closeCursor();
+        $em = $core->getEntityManager();
+        /* @var $em \Doctrine\ORM\EntityManager */
+        $participantRepo = $em->getRepository('\Entities\ValidationParticipant');
+        /* @var $participantRepo \Repositories\ValidationParticipantRepository */
+        $participants = $participantRepo->findNotConfirmedAndNotRemindedParticipantsByExpireDate($date);
 
-        foreach ($rs as $row) {
-            $params = array(
-                'to'          => $row['usr_id'],
-                'ssel_id'     => $row['ssel_id'],
-                'from'        => $row['owner'],
-                'validate_id' => $row['validate_id'],
-                'url'         => $registry->get('GV_ServerName')
-                . 'lightbox/validate/' . $row['ssel_id'] . '/?LOG=' . $row['value']
-            );
+        foreach ($participants as $participant) {
+            /* @var $participant \Entities\ValidationParticipant */
+            $validationSession = $participant->getSession();
+            $participantId = $participant->getUsrId();
+            $basketId = $validationSession->getBasket()->getId();
 
-            $events_mngr->trigger('__VALIDATION_REMINDER__', $params);
+            try {
+                $token = \random::getValidationToken($participantId, $basketId);
+            } catch (\Exception_NotFound $e) {
+                continue;
+            }
+
+            $eventsMngr->trigger('__VALIDATION_REMINDER__', array(
+                'to'          => $participantId,
+                'ssel_id'     => $basketId,
+                'from'        => $validationSession->getInitiatorId(),
+                'validate_id' => $validationSession->getId(),
+                'url'         => $registry->get('GV_ServerName') . 'lightbox/validate/' . $basketId . '/?LOG=' . $token
+            ));
         }
 
         return $this;
diff --git a/lib/classes/eventsmanager/notify/validationreminder.class.php b/lib/classes/eventsmanager/notify/validationreminder.class.php
index 58732e80fc..0bb44ab774 100644
--- a/lib/classes/eventsmanager/notify/validationreminder.class.php
+++ b/lib/classes/eventsmanager/notify/validationreminder.class.php
@@ -110,13 +110,19 @@ class eventsmanager_notify_validationreminder extends eventsmanager_notifyAbstra
                 $mailed = true;
         }
 
-        try {
-            $sql = 'UPDATE validate SET last_reminder=NOW() WHERE id = :validate_id';
-            $stmt = $this->appbox->get_connection()->prepare($sql);
-            $stmt->execute(array(':validate_id' => $params['validate_id']));
-            $stmt->closeCursor();
-        } catch (Exception $e) {
+        $core = \bootstrap::getCore();
 
+        $em = $core->getEntityManager();
+
+        $validationParticipant = $em->getRepository('\Entities\ValidationParticipant')->find($params['to']);
+        /* @var $validationParticipant \Entities\ValidationParticipant */
+
+        if (null !== $validationParticipant) {
+            $validationParticipant->setReminded(new \DateTime('now'));
+
+            $em->persist($validationParticipant);
+
+            $em->flush();
         }
 
         return $this->broker->notify($params['to'], __CLASS__, $datas, $mailed);
diff --git a/lib/classes/random.class.php b/lib/classes/random.class.php
index 6dcd58a5c6..d117c0e411 100644
--- a/lib/classes/random.class.php
+++ b/lib/classes/random.class.php
@@ -221,4 +221,38 @@ class random
 
         return $row;
     }
+
+    /**
+     * Get the validation token for one user and one validation basket
+     *
+     * @param integer $userId
+     * @param integer $basketId
+     * @return string The desired token
+     * @throws \Exception_NotFound
+     */
+    public static function getValidationToken($userId, $basketId)
+    {
+        $conn = \connection::getPDOConnection();
+        $sql = '
+            SELECT value FROM tokens
+            WHERE type = :type
+            AND usr_id = :usr_id
+            AND datas = :basket_id
+            AND (expire_on > NOW() OR expire_on IS NULL)';
+
+        $stmt = $conn->prepare($sql);
+        $stmt->execute(array(
+            ':type'      => self::TYPE_VALIDATE,
+            ':usr_id'    => (int) $userId,
+            ':basket_id' => (int) $basketId,
+        ));
+        $row = $stmt->fetch(PDO::FETCH_ASSOC);
+        $stmt->closeCursor();
+
+        if ( ! $row) {
+            throw new \Exception_NotFound('Token not found');
+        }
+
+        return $row['value'];
+    }
 }
diff --git a/lib/classes/set/export.class.php b/lib/classes/set/export.class.php
index da3aab94b5..52d02b0487 100644
--- a/lib/classes/set/export.class.php
+++ b/lib/classes/set/export.class.php
@@ -770,13 +770,13 @@ class set_export extends set_abstract
      * @return \Symfony\Component\HttpFoundation\Response
      */
     public static function stream_file(
-    $file, $exportname, $mime, $disposition = 'attachment')
+    $file, $exportname, $mime, $disposition = 'inline')
     {
         $registry = registry::get_instance();
 
         $response = new Symfony\Component\HttpFoundation\Response();
 
-        $disposition = $disposition != 'attachment' ? ResponseHeaderBag::DISPOSITION_INLINE : ResponseHeaderBag::DISPOSITION_ATTACHMENT;
+        $disposition = $disposition === 'attachment' ? ResponseHeaderBag::DISPOSITION_ATTACHMENT : ResponseHeaderBag::DISPOSITION_INLINE;
         $headerDisposition = $response->headers->makeDisposition($disposition, $exportname);
 
         if (is_file($file)) {
diff --git a/templates/web/prod/actions/Tools/index.html.twig b/templates/web/prod/actions/Tools/index.html.twig
index eb880e9b7d..3079f3aab8 100644
--- a/templates/web/prod/actions/Tools/index.html.twig
+++ b/templates/web/prod/actions/Tools/index.html.twig
@@ -124,6 +124,7 @@
                 {% for subdef in previewHtml5 %}
                 <source type="{{ subdef.get_mime() }}" src="{{ subdef.get_url() }}" />
                 {% endfor %}
+                {% trans 'No preview available' %}
               </video>
             </div>
 
@@ -374,7 +375,7 @@
 </div>
 
 <script type="text/javascript">
-    
+
 $(document).ready(function(){
     var scope = $("#prod-tool-box");
     var width = 0;
diff --git a/tests/Alchemy/Phrasea/Application/OverviewTest.php b/tests/Alchemy/Phrasea/Application/OverviewTest.php
index 3dbf69ea30..1b753fa0dd 100644
--- a/tests/Alchemy/Phrasea/Application/OverviewTest.php
+++ b/tests/Alchemy/Phrasea/Application/OverviewTest.php
@@ -18,10 +18,10 @@ class ApplicationOverviewTest extends PhraseanetWebTestCaseAuthenticatedAbstract
     public function createApplication()
     {
         $app = require __DIR__ . '/../../../../lib/Alchemy/Phrasea/Application/Overview.php';
-        
+
         $app['debug'] = true;
         unset($app['exception_handler']);
-        
+
         return $app;
     }
 
@@ -33,7 +33,7 @@ class ApplicationOverviewTest extends PhraseanetWebTestCaseAuthenticatedAbstract
 
         $this->assertEquals(200, $response->getStatusCode());
         $content_disposition = explode(';', $response->headers->get('content-disposition'));
-        $this->assertEquals('attachment', $content_disposition[0]);
+        $this->assertEquals('inline', $content_disposition[0]);
         $this->assertEquals(static::$records['record_1']->get_preview()->get_mime(), $response->headers->get('content-type'));
         $this->assertEquals(static::$records['record_1']->get_preview()->get_size(), $response->headers->get('content-length'));
 
diff --git a/tests/Doctrine/Repositories/ValidationParticipantRepositoryTest.php b/tests/Doctrine/Repositories/ValidationParticipantRepositoryTest.php
new file mode 100644
index 0000000000..77bfe9b5f7
--- /dev/null
+++ b/tests/Doctrine/Repositories/ValidationParticipantRepositoryTest.php
@@ -0,0 +1,21 @@
+<?php
+
+require_once __DIR__ . '/../../PhraseanetPHPUnitAuthenticatedAbstract.class.inc';
+
+class ValidationParticipantRepositoryTest extends PhraseanetPHPUnitAuthenticatedAbstract
+{
+
+    public function testFindNotConfirmedAndNotRemindedParticipants()
+    {
+        $this->insertOneValidationBasket(array(
+            'expires' => new \DateTime('+1 days')
+        ));
+
+        $em = self::$core->getEntityManager();
+        $repo = $em->getRepository('\Entities\ValidationParticipant');
+        /* @var $repo \Repositories\ValidationParticipantRepository */
+        $expireDate = new \DateTime('+2 days');
+        $participants = $repo->findNotConfirmedAndNotRemindedParticipantsByExpireDate($expireDate);
+        $this->assertEquals(1, count($participants));
+    }
+}
diff --git a/tests/PhraseanetPHPUnitAbstract.class.inc b/tests/PhraseanetPHPUnitAbstract.class.inc
index bae585c3d4..704d22365f 100644
--- a/tests/PhraseanetPHPUnitAbstract.class.inc
+++ b/tests/PhraseanetPHPUnitAbstract.class.inc
@@ -373,7 +373,7 @@ abstract class PhraseanetPHPUnitAbstract extends WebTestCase
      *
      * @return \Entities\Basket
      */
-    protected function insertOneValidationBasket()
+    protected function insertOneValidationBasket(array $parameters = array())
     {
         $em = self::$core->getEntityManager();
 
@@ -384,8 +384,11 @@ abstract class PhraseanetPHPUnitAbstract extends WebTestCase
         $Validation->setBasket($basket);
         $Validation->setInitiator(self::$user);
 
+        if (isset($parameters['expires']) && $parameters['expires'] instanceof \DateTime) {
+            $Validation->setExpires($parameters['expires']);
+        }
+        
         $basket->setValidation($Validation);
-
         $em->persist($Validation);
         $em->merge($basket);
 
diff --git a/www/include/download_prepare.php b/www/include/download_prepare.php
index f0cc0bb5a3..014c8af502 100644
--- a/www/include/download_prepare.php
+++ b/www/include/download_prepare.php
@@ -71,7 +71,7 @@ if ($n_files == 1) {
 $files = $list['files'];
 
 if (isset($parm['get']) && $parm['get'] == '1') {
-    $response = set_export::stream_file($zipFile, $export_name, $mime);
+    $response = set_export::stream_file($zipFile, $export_name, $mime, 'attachment');
     $response->send();
     set_export::log_download($list, $parm['type']);
 
diff --git a/www/thesaurus2/thesaurus.php b/www/thesaurus2/thesaurus.php
index ae88887eae..3c0f7f0c11 100644
--- a/www/thesaurus2/thesaurus.php
+++ b/www/thesaurus2/thesaurus.php
@@ -198,7 +198,7 @@ User_Adapter::updateClientInfos(5);
 
     </head>
 
-    <body id="desktop" style="background-color:#808080; overflow:hidden" onload="loaded();" onmousewheel="return(false);" onscroll="evtScrollBody();" >
+    <body id="desktop" style="background-color:#808080; overflow:hidden" onload="loaded();" onscroll="evtScrollBody();" >
 
         <div class="menu" id="flagsMenu" style="z-index:50">
 <?php