diff --git a/pandora_console/extensions/insert_data.php b/pandora_console/extensions/insert_data.php
index 3e52a9138c..8357c96113 100644
--- a/pandora_console/extensions/insert_data.php
+++ b/pandora_console/extensions/insert_data.php
@@ -147,7 +147,7 @@ function mainInsertData() {
 		$config['remote_config']);
 	echo '</div>';
 	
-	$table = null;
+	$table = new stdClass();
 	$table->width = '100%';
 	$table->class = 'databox filters';
 	$table->style = array();
diff --git a/pandora_console/general/login_page.php b/pandora_console/general/login_page.php
index cec619f446..8d6712f65a 100755
--- a/pandora_console/general/login_page.php
+++ b/pandora_console/general/login_page.php
@@ -23,7 +23,7 @@ else {
 
 include_once($homedir . 'include/functions_ui.php');
 include_once($homedir . 'include/functions.php');
-include_once($homedir . 'include/functions_html.php');
+include_once(__DIR__ . '/../include/functions_html.php');
 
 
 if($config['visual_animation']){
diff --git a/pandora_console/godmode/agentes/agent_manager.php b/pandora_console/godmode/agentes/agent_manager.php
index d8a7190ed9..8c747fb8d0 100644
--- a/pandora_console/godmode/agentes/agent_manager.php
+++ b/pandora_console/godmode/agentes/agent_manager.php
@@ -245,8 +245,10 @@ $modules = db_get_all_rows_sql("SELECT id_agente_modulo as id_module, nombre as
 								WHERE id_agente = " . $id_parent);
 $modules_values = array();
 $modules_values[0] = __('Any');
-foreach ($modules as $m) {
-	$modules_values[$m['id_module']] = $m['name'];
+if(is_array($modules)){
+	foreach ($modules as $m) {
+		$modules_values[$m['id_module']] = $m['name'];
+	}
 }
 
 $table->data[4][0] = __('Group');
diff --git a/pandora_console/godmode/groups/group_list.php b/pandora_console/godmode/groups/group_list.php
index d02571078e..c1c4a91cef 100644
--- a/pandora_console/godmode/groups/group_list.php
+++ b/pandora_console/godmode/groups/group_list.php
@@ -342,6 +342,7 @@ if ($create_group || $delete_group || $update_group) {
 	$groups = users_get_groups_tree ($config['id_user'], "AR", true);
 }
 
+$table = new StdClass();
 $table->width = '100%';
 
 $all_parents = array();
diff --git a/pandora_console/godmode/menu.php b/pandora_console/godmode/menu.php
index aab312158d..11f510349a 100644
--- a/pandora_console/godmode/menu.php
+++ b/pandora_console/godmode/menu.php
@@ -354,7 +354,7 @@ if (is_array ($config['extensions'])) {
 			$sub2[$extmenu["sec2"]]["refr"] = 0;
 		}
 		else {
-			if (array_key_exists('fatherId',$extmenu)) {
+			if (is_array($extmenu) && array_key_exists('fatherId',$extmenu)) {
 				if (strlen($extmenu['fatherId']) > 0) {
 					if (array_key_exists('subfatherId',$extmenu)) {
 						if (strlen($extmenu['subfatherId']) > 0) {
diff --git a/pandora_console/godmode/netflow/nf_edit.php b/pandora_console/godmode/netflow/nf_edit.php
index f3ffc36bcc..6ee7258e33 100644
--- a/pandora_console/godmode/netflow/nf_edit.php
+++ b/pandora_console/godmode/netflow/nf_edit.php
@@ -111,6 +111,7 @@ $filters = db_get_all_rows_sql($sql);
 if ($filters === false)
 	$filters = array ();
 
+$table = new stdClass();
 $table->width = '100%';
 $table->class = 'databox data';
 
diff --git a/pandora_console/godmode/users/user_list.php b/pandora_console/godmode/users/user_list.php
index 2a10e8c7b8..13cdba54c1 100644
--- a/pandora_console/godmode/users/user_list.php
+++ b/pandora_console/godmode/users/user_list.php
@@ -248,8 +248,7 @@ else {
 
 }
 
-$table = null;
-
+$table = new stdClass();
 $table->cellpadding = 0;
 $table->cellspacing = 0;
 $table->width = '100%';
diff --git a/pandora_console/include/auth/mysql.php b/pandora_console/include/auth/mysql.php
index 6392adda37..e6861aa956 100644
--- a/pandora_console/include/auth/mysql.php
+++ b/pandora_console/include/auth/mysql.php
@@ -445,9 +445,8 @@ function process_user_login_remote ($login, $pass, $api = false) {
  * @return bool True is the user is admin
  */
 function is_user_admin ($id_user) {
-	$is_admin = (bool) db_get_value ('is_admin', 'tusuario', 'id_user', $id_user);
-	
-	return $is_admin;
+	require_once(__DIR__ . "/../functions_users.php");
+	return users_is_admin($id_user);
 }
 
 
@@ -531,7 +530,15 @@ function get_user_email ($user) {
  * @return mixed An array of users
  */
 function get_user_info ($user) {
-	return db_get_row ("tusuario", "id_user", get_user_id ($user));
+	static $cache_user_info = array();
+	if (array_key_exists($user, $cache_user_info)){
+		return $cache_user_info[$user];
+	}
+	else{
+		$return = db_get_row ("tusuario", "id_user", get_user_id ($user));
+		$cache_user_info[$user] = $return;
+		return $return;
+	}
 }
 
 /**
diff --git a/pandora_console/include/functions.php b/pandora_console/include/functions.php
index 3caa79ad05..6e937e547b 100644
--- a/pandora_console/include/functions.php
+++ b/pandora_console/include/functions.php
@@ -1809,85 +1809,26 @@ function check_acl($id_user, $id_group, $access, $onlyOneGroup = false) {
 		$id_group = (int) $id_group;
 	}
 
-	$three_eyes_crow_groups = db_get_all_rows_sql("SELECT tperfil.*, tusuario_perfil.id_perfil FROM tperfil, tusuario_perfil WHERE tusuario_perfil.id_usuario = '" . 
-													$id_user . "' AND tusuario_perfil.id_grupo = 0 AND tusuario_perfil.id_perfil = tperfil.id_perfil");
+	if ($id_group != 0 || $onlyOneGroup === true) {
+		$groups_list_acl = users_get_groups ($id_user, 'AR', false, true, null);
+	}
+	else{
+		$groups_list_acl = get_users_acl($id_user);
+	}
 
-	if ($three_eyes_crow_groups && !empty($three_eyes_crow_groups)) {
-		$acl_column = get_acl_column($access);
-		
-		foreach ($three_eyes_crow_groups as $three_eyes_crow_group) {
-			if (isset($three_eyes_crow_group[$acl_column]) && $three_eyes_crow_group[$acl_column] == 1) {
+	if(is_array($groups_list_acl)){
+		if(isset($groups_list_acl[$id_group])){
+			$access = get_acl_column($access);
+			if(isset($groups_list_acl[$id_group][$access])
+				&& $groups_list_acl[$id_group][$access] > 0){
 				return 1;
 			}
+			else{
+				return 0;
+			}
 		}
 	}
 
-	$parents_id = array($id_group);
-	if ($id_group != 0 && $onlyOneGroup !== true) {
-		$group = db_get_row_filter('tgrupo', array('id_grupo' => $id_group));
-		$parents = groups_get_parents($group['parent'], true);
-		
-		foreach ($parents as $parent) {
-			$parents_id[] = $parent['id_grupo'];
-		}
-	}
-	
-	// TODO: To reduce this querys in one adding the group condition if necessary (only one line is different)
-	//Joined multiple queries into one. That saves on the query overhead and query cache.
-	if ($id_group == 0 && $onlyOneGroup !== true) {
-		$query = sprintf("SELECT tperfil.incident_view, tperfil.incident_edit,
-				tperfil.incident_management, tperfil.agent_view,
-				tperfil.agent_edit, tperfil.alert_edit,
-				tperfil.alert_management, tperfil.pandora_management,
-				tperfil.db_management, tperfil.user_management,
-				tperfil.report_view, tperfil.report_edit,
-				tperfil.report_management, tperfil.event_view,
-				tperfil.event_edit, tperfil.event_management, 
-				tperfil.agent_disable,
-				tperfil.map_view, tperfil.map_edit, tperfil.map_management,
-				tperfil.vconsole_view, tperfil.vconsole_edit, tperfil.vconsole_management
-			FROM tusuario_perfil, tperfil
-			WHERE tusuario_perfil.id_perfil = tperfil.id_perfil
-				AND tusuario_perfil.id_usuario = '%s'", $id_user);
-		//GroupID = 0 and onlyOneGroup = false, group id doesnt matter (use with caution!)
-	}
-	else {
-		$query = sprintf("SELECT tperfil.incident_view, tperfil.incident_edit,
-				tperfil.incident_management, tperfil.agent_view,
-				tperfil.agent_edit, tperfil.alert_edit,
-				tperfil.alert_management, tperfil.pandora_management,
-				tperfil.db_management, tperfil.user_management,
-				tperfil.report_view, tperfil.report_edit,
-				tperfil.report_management, tperfil.event_view,
-				tperfil.event_edit, tperfil.event_management,
-				tperfil.agent_disable,
-				tperfil.map_view, tperfil.map_edit, tperfil.map_management,
-				tperfil.vconsole_view, tperfil.vconsole_edit, tperfil.vconsole_management
-			FROM tusuario_perfil, tperfil
-			WHERE tusuario_perfil.id_perfil = tperfil.id_perfil 
-				AND tusuario_perfil.id_usuario = '%s'
-				AND (tusuario_perfil.id_grupo IN (%s)
-				OR tusuario_perfil.id_grupo = 0)", $id_user, implode(', ', $parents_id));
-	}
-	
-	$rowdup = db_get_all_rows_sql ($query);
-	
-	if (empty ($rowdup))
-		return 0;
-	
-	$result = 0;
-	$acl_column = get_acl_column($access);
-	foreach ($rowdup as $row) {
-		// For each profile for this pair of group and user do...
-		if (isset($row[$acl_column])) {
-			$result += $row[$acl_column];
-		}
-	}
-	
-	if ($result >= 1) {
-		return 1;
-	}
-	
 	return 0;
 }
 
@@ -1975,6 +1916,51 @@ function get_acl_column($access) {
 	}
 }
 
+function get_users_acl($id_user){
+	static $users_acl_cache = array();
+
+
+	if (is_array($users_acl_cache[$id_user])) {
+		$rowdup = $users_acl_cache[$id_user];
+	}
+	else {
+		$query = sprintf("SELECT sum(tperfil.incident_view) as incident_view,
+						sum(tperfil.incident_edit) as incident_edit,
+						sum(tperfil.incident_management) as incident_management,
+						sum(tperfil.agent_view) as agent_view,
+						sum(tperfil.agent_edit) as agent_edit,
+						sum(tperfil.alert_edit) as alert_edit,
+						sum(tperfil.alert_management) as alert_management,
+						sum(tperfil.pandora_management) as pandora_management,
+						sum(tperfil.db_management) as db_management,
+						sum(tperfil.user_management) as user_management,
+						sum(tperfil.report_view) as report_view,
+						sum(tperfil.report_edit) as report_edit,
+						sum(tperfil.report_management) as report_management,
+						sum(tperfil.event_view) as event_view,
+						sum(tperfil.event_edit) as event_edit,
+						sum(tperfil.event_management) as event_management,
+						sum(tperfil.agent_disable) as agent_disable,
+						sum(tperfil.map_view) as map_view,
+						sum(tperfil.map_edit) as map_edit,
+						sum(tperfil.map_management) as map_management,
+						sum(tperfil.vconsole_view) as vconsole_view,
+						sum(tperfil.vconsole_edit) as vconsole_edit,
+						sum(tperfil.vconsole_management) as vconsole_management
+					FROM tusuario_perfil, tperfil
+					WHERE tusuario_perfil.id_perfil = tperfil.id_perfil
+						AND tusuario_perfil.id_usuario = '%s'", $id_user);
+		
+		$rowdup = db_get_all_rows_sql ($query);
+		$users_acl_cache[$id_user] = $rowdup;
+	}
+
+	if (empty ($rowdup) || !$rowdup)
+		return 0;
+	
+	return $rowdup;	
+}
+
 /**
  * Get the name of a plugin
  *
diff --git a/pandora_console/include/functions_agents.php b/pandora_console/include/functions_agents.php
index 9c38157300..7587bb76b1 100644
--- a/pandora_console/include/functions_agents.php
+++ b/pandora_console/include/functions_agents.php
@@ -2601,7 +2601,9 @@ function select_modules_for_agent_group($id_group, $id_agents,
 	}
 
 	if ($selection == 1 || (count($id_agents) == 1)) {
-		$modules = db_get_all_rows_sql("SELECT DISTINCT nombre, id_agente_modulo FROM tagente_modulo WHERE 1 = 1" . $filter_agent . $filter_group);
+		$modules = db_get_all_rows_sql("SELECT DISTINCT nombre, id_agente_modulo 
+										FROM tagente_modulo 
+										WHERE 1 = 1" . $filter_agent . $filter_group);
 
 		if (empty($modules)) $modules = array();
 
@@ -2614,13 +2616,15 @@ function select_modules_for_agent_group($id_group, $id_agents,
 		}
 	}
 	else {
-		$modules = db_get_all_rows_sql("SELECT nombre, id_agente_modulo FROM tagente_modulo WHERE 1 = 1" . $filter_agent . $filter_group);
+		$modules = db_get_all_rows_sql("SELECT nombre, id_agente_modulo 
+										FROM tagente_modulo
+										WHERE 1 = 1" . $filter_agent . $filter_group);
 
 		if (empty($modules)) $modules = array();
 
 		foreach ($modules as $m) {
 			$is_in_all_agents = true;
-			$module_name = modules_get_agentmodule_name($m['id_agente_modulo']);
+			$module_name = $m['nombre'];
 			foreach ($id_agents as $a) {
 				$module_in_agent = db_get_value_filter('id_agente_modulo',
 					'tagente_modulo', array('id_agente' => $a, 'nombre' => $module_name));
diff --git a/pandora_console/include/functions_io.php b/pandora_console/include/functions_io.php
index 47b6e80658..c3d7b7b2b4 100755
--- a/pandora_console/include/functions_io.php
+++ b/pandora_console/include/functions_io.php
@@ -372,8 +372,16 @@ function io_unsafe_string ($string) {
  */
 function __ ($string /*, variable arguments */) {
 	global $l10n;
+	global $config;
+	static $extensions_cache = array();
 	
-	$extensions = extensions_get_extensions();
+	if (array_key_exists($config["id_user"], $extensions_cache)) {
+		$extensions = $extensions_cache[$config["id_user"]];
+	}
+	else {
+		$extensions = extensions_get_extensions();
+		$extensions_cache[$config["id_user"]] = $extensions;
+	}
 	if (empty($extensions))
 		$extensions = array();
 	
diff --git a/pandora_console/include/functions_tags.php b/pandora_console/include/functions_tags.php
index 9a6c614fc4..622814ef7f 100644
--- a/pandora_console/include/functions_tags.php
+++ b/pandora_console/include/functions_tags.php
@@ -2405,7 +2405,6 @@ function tags_get_user_groups_and_tags ($id_user = false, $access = 'AR', $stric
 	$return = array();
 	foreach ($acls as $acl) {
 		$return[$acl["id_grupo"]] = $acl["tags"];
-		
 	}
 
 	return $return;
diff --git a/pandora_console/include/functions_users.php b/pandora_console/include/functions_users.php
index f4ddf90750..c9fc558467 100755
--- a/pandora_console/include/functions_users.php
+++ b/pandora_console/include/functions_users.php
@@ -250,6 +250,10 @@ function users_get_groups ($id_user = false, $privilege = "AR", $returnAllGroup
 							$id_groups = null, $keys_field = 'id_grupo', $cache = true) {
 	static $group_cache = array();
 
+	// Added users_group_cache to avoid unnecessary proccess on massive calls...
+	static $users_group_cache = array();
+	$users_group_cache_key = $id_user . "|" . $privilege . "|" . $returnAllGroup . "|" . $returnAllColumns;
+
 	if (empty ($id_user)) {
 		global $config;
 	
@@ -277,10 +281,17 @@ function users_get_groups ($id_user = false, $privilege = "AR", $returnAllGroup
 						WHERE (tgrupo.id_grupo = tusuario_perfil.id_grupo OR tusuario_perfil.id_grupo = 0)
 						AND tusuario_perfil.id_perfil = tperfil.id_perfil
 						AND tusuario_perfil.id_usuario = '%s' ORDER BY nombre", $id_user);
-			$forest_acl = db_get_all_rows_sql ($query);
+			$raw_forest = db_get_all_rows_sql ($query);
 
-			foreach ($forest_acl as $g) {
-				$forest_acl[$g["id_grupo"]] = $g;
+			foreach ($raw_forest as $g) {
+				// XXX, following code must be remade (TAG)
+				if (!isset($forest_acl[$g["id_grupo"]] )) {
+					$forest_acl[$g["id_grupo"]] = $g;
+				}
+				else {
+					$forest_acl[$g["id_grupo"]]["tags"] .= "," . $g["tags"];
+				}
+				
 			}
 
 			$groups = array();
@@ -334,10 +345,16 @@ function users_get_groups ($id_user = false, $privilege = "AR", $returnAllGroup
 	}
 	
 	$acl_column = get_acl_column($privilege);
+
+	if (array_key_exists($users_group_cache_key, $users_group_cache)) {
+		return $users_group_cache[$users_group_cache_key];
+	}
+
+
 	foreach ($forest_acl as $group) {
 
 		# Check the specific permission column. acl_column is undefined for admins.
-		if (defined($group[$acl_column]) && $group[$acl_column] != '1') {
+		if (isset($group[$acl_column]) && $group[$acl_column] != '1') {
 			continue;
 		}
 
@@ -349,6 +366,8 @@ function users_get_groups ($id_user = false, $privilege = "AR", $returnAllGroup
 		}
 	}
 
+	$users_group_cache[$users_group_cache_key] = $user_groups;
+
 	return $user_groups;
 }
 
@@ -1006,15 +1025,23 @@ function users_get_last_type_message() {
 
 function users_is_admin($id_user = false) {
 	global $config;
-	
+
+	if (!isset($config["is_admin"])) {
+		$config["is_admin"] = array();
+	}
+
 	if ($id_user === false) {
 		$id_user = $config['id_user'];
 	}
 	
-	$is_admin = (bool)db_get_value('is_admin',
+	if (isset($config["is_admin"][$id_user])) {
+		return $config["is_admin"][$id_user];
+	}
+	
+	$config["is_admin"][$id_user] = (bool)db_get_value('is_admin',
 		'tusuario', 'id_user', $id_user);
 	
-	return $is_admin;
+	return $config["is_admin"][$id_user];
 }
 
 function users_is_last_system_message() {