diff --git a/pandora_console/include/ajax/task_list.ajax.php b/pandora_console/include/ajax/task_list.ajax.php
index 353083390a..33dc3e6b5f 100644
--- a/pandora_console/include/ajax/task_list.ajax.php
+++ b/pandora_console/include/ajax/task_list.ajax.php
@@ -44,57 +44,16 @@ if ($progress_task_discovery) {
     $summary = json_decode($task['summary'], true);
 
     $result = '<div id = progress_task_'.$id_task.'>';
-    $result .= '<ul class="progress_task_discovery">';
-    $result .= '<li><h1>'._('Overall Progress').'</h1></li>';
-    $result .= '<li>';
-    $result .= d3_progress_bar(
-        $id_task,
-        ($global_progress < 0) ? 100 : $global_progress,
-        460,
-        30,
-        '#EA5434',
-        '%',
-        '',
-        '#FFFFFF',
-        0,
-        0,
-        0
-    );
-
-    if ($global_progress > 0) {
-        switch ($summary['step']) {
-            case STEP_SCANNING:
-                $str = __('Scanning network');
-            break;
-
-            case STEP_AFT:
-                $str = __('Finding AFT connectivity');
-            break;
-
-            case STEP_TRACEROUTE:
-                $str = __('Finding traceroute connectivity');
-            break;
-
-            case STEP_GATEWAY:
-                $str = __('Finding gateway connectivity');
-            break;
-
-            default:
-                $str = __('Searching for devices...');
-            break;
-        }
-
-        $result .= '</li>';
-        $result .= '<li><h1>'.$str.' ';
-        $result .= $summary['c_network_name'];
-        $result .= '</h1></li>';
+    if ($task['utimestamp']) {
+        $result .= '<ul class="progress_task_discovery">';
+        $result .= '<li><h1>'._('Overall Progress').'</h1></li>';
         $result .= '<li>';
         $result .= d3_progress_bar(
-            $id_task.'_detail',
-            $summary['c_network_percent'],
+            $id_task,
+            ($global_progress < 0) ? 100 : $global_progress,
             460,
             30,
-            '#2751E1',
+            '#EA5434',
             '%',
             '',
             '#FFFFFF',
@@ -102,47 +61,97 @@ if ($progress_task_discovery) {
             0,
             0
         );
-        $result .= '</li>';
+
+        if ($global_progress > 0) {
+            switch ($summary['step']) {
+                case STEP_SCANNING:
+                    $str = __('Scanning network');
+                break;
+
+                case STEP_AFT:
+                    $str = __('Finding AFT connectivity');
+                break;
+
+                case STEP_TRACEROUTE:
+                    $str = __('Finding traceroute connectivity');
+                break;
+
+                case STEP_GATEWAY:
+                    $str = __('Finding gateway connectivity');
+                break;
+
+                default:
+                    $str = __('Searching for devices...');
+                break;
+            }
+
+            $result .= '</li>';
+            $result .= '<li><h1>'.$str.' ';
+            $result .= $summary['c_network_name'];
+            $result .= '</h1></li>';
+            $result .= '<li>';
+            $result .= d3_progress_bar(
+                $id_task.'_detail',
+                $summary['c_network_percent'],
+                460,
+                30,
+                '#2751E1',
+                '%',
+                '',
+                '#FFFFFF',
+                0,
+                0,
+                0
+            );
+            $result .= '</li>';
+        }
+
+        $result .= '</ul>';
+
+        $i = 0;
+        $table = new StdClasS();
+        $table->class = 'databox data';
+        $table->width = '75%';
+        $table->styleTable = 'margin: 2em auto 0;border: 1px solid #ddd;background: white;';
+        $table->rowid = [];
+        $table->data = [];
+
+        // Content.
+        $table->data[$i][0] = '<b>'.__('Hosts discovered').'</b>';
+        $table->data[$i][1] = '<span id="discovered">';
+        $table->data[$i][1] .= $summary['summary']['discovered'];
+        $table->data[$i++][1] .= '</span>';
+
+        $table->data[$i][0] = '<b>'.__('Alive').'</b>';
+        $table->data[$i][1] = '<span id="alive">';
+        $table->data[$i][1] .= $summary['summary']['alive'];
+        $table->data[$i++][1] .= '</span>';
+
+        $table->data[$i][0] = '<b>'.__('Not alive').'</b>';
+        $table->data[$i][1] = '<span id="not_alive">';
+        $table->data[$i][1] .= $summary['summary']['not_alive'];
+        $table->data[$i++][1] .= '</span>';
+
+        $table->data[$i][0] = '<b>'.__('Responding SNMP').'</b>';
+        $table->data[$i][1] = '<span id="SNMP">';
+        $table->data[$i][1] .= $summary['summary']['SNMP'];
+        $table->data[$i++][1] .= '</span>';
+
+        $table->data[$i][0] = '<b>'.__('Responding WMI').'</b>';
+        $table->data[$i][1] = '<span id="WMI">';
+        $table->data[$i][1] .= $summary['summary']['WMI'];
+        $table->data[$i++][1] .= '</span>';
+
+        $result .= html_print_table($table, true).'</div>';
+    } else {
+        $global_progress = -1;
+        $result .= ui_print_error_message(
+            __('No data to show'),
+            '',
+            true
+        ).'</div>';
     }
 
-    $result .= '</ul>';
-
-    $i = 0;
-    $table = new StdClasS();
-    $table->class = 'databox data';
-    $table->width = '75%';
-    $table->styleTable = 'margin: 2em auto 0;border: 1px solid #ddd;background: white;';
-    $table->rowid = [];
-    $table->data = [];
-
-    // Content.
-    $table->data[$i][0] = '<b>'.__('Hosts discovered').'</b>';
-    $table->data[$i][1] = '<span id="discovered">';
-    $table->data[$i][1] .= $summary['summary']['discovered'];
-    $table->data[$i++][1] .= '</span>';
-
-    $table->data[$i][0] = '<b>'.__('Alive').'</b>';
-    $table->data[$i][1] = '<span id="alive">';
-    $table->data[$i][1] .= $summary['summary']['alive'];
-    $table->data[$i++][1] .= '</span>';
-
-    $table->data[$i][0] = '<b>'.__('Not alive').'</b>';
-    $table->data[$i][1] = '<span id="not_alive">';
-    $table->data[$i][1] .= $summary['summary']['not_alive'];
-    $table->data[$i++][1] .= '</span>';
-
-    $table->data[$i][0] = '<b>'.__('Responding SNMP').'</b>';
-    $table->data[$i][1] = '<span id="SNMP">';
-    $table->data[$i][1] .= $summary['summary']['SNMP'];
-    $table->data[$i++][1] .= '</span>';
-
-    $table->data[$i][0] = '<b>'.__('Responding WMI').'</b>';
-    $table->data[$i][1] = '<span id="WMI">';
-    $table->data[$i][1] .= $summary['summary']['WMI'];
-    $table->data[$i++][1] .= '</span>';
-
-    $result .= html_print_table($table, true).'</div>';
-
     $result_array['status'] = $global_progress;
     $result_array['html'] = $result;
 
diff --git a/pandora_console/include/javascript/pandora_taskList.js b/pandora_console/include/javascript/pandora_taskList.js
index 270fec67a0..f151c9003a 100644
--- a/pandora_console/include/javascript/pandora_taskList.js
+++ b/pandora_console/include/javascript/pandora_taskList.js
@@ -35,10 +35,8 @@ function progress_task_list(id, title) {
       // TODO: Show info about the problem.
     }
 
-    if (data.status > 0) {
-      $elem.html(data.html);
-      if (!$elem.dialog("isOpen")) $elem.dialog("open");
-    }
+    $elem.html(data.html);
+    if (!$elem.dialog("isOpen")) $elem.dialog("open");
 
     if (data.status != -1) {
       timeoutRef = setTimeout(function() {