diff --git a/hook.php b/hook.php
index 966e944..41ab57f 100644
--- a/hook.php
+++ b/hook.php
@@ -25,12 +25,68 @@ function plugin_remotesupport_install()
 {
 	global $DB;
 
-	
-	
+	Toolbox::logInFile("remotsupport","Installing plugin");
+	$state_online = [
+	'name' => 'Online',
+	'entities_id' => 0,
+	'is_recursive' => 0,
+	'comment' => '',
+	'states_id' => 0,
+	'completename' => 'Online',
+	'level' => 1,
+	'ancestors_cache' => '[]',
+	'sons_cache' => 'NULL',
+	'is_visible_computer' => 1,
+	'is_visible_monitor' => 0,
+	'is_visible_networkequipment' => 0,
+	'is_visible_peripheral' => 0,
+	'is_visible_phone' => 0,
+	'is_visible_printer' => 0,
+	'is_visible_softwareversion' => 0,
+	'is_visible_softwarelicense' => 0,
+	'is_visible_line' => 0,
+	'is_visible_certificate' => 0,
+	'is_visible_rack' => 0,
+	'is_visible_passivedcequipment' => 0,
+	'is_visible_enclosure' => 0,
+	'is_visible_pdu' => 0,
+	'is_visible_cluster' => 0,
+	'is_visible_contract' => 0,
+	'is_visible_appliance' => 0];
+
+	$ret = $DB->insert(
+	   'glpi_states', $state_online
+	);
+
+	$state_offline = $state_online;
+	$state_offline["name"] = 'Offline';
+	$state_offline["completename"] = 'Offline';
+
+	$ret = $DB->insert(
+	   'glpi_states', $state_offline
+	);
+
 	return true;
 }
 
 function plugin_remotesupport_uninstall(){
+	global $DB;
+
+	Toolbox::logInFile("remotsupport","Uninstalling plugin");
+   	CronTask::Unregister('remotesupport');
+
+	$req = $DB->request('glpi_states', ['FIELDS' => ['glpi_states' => ['id', 'name']]], [ 'OR' => [ 'name' => 'Online', 'name' => 'Offline']]);
+
+	$ret = $req->next();
+	$states_ids[$ret['name']] = $ret['id'];
+	$ret = $req->next();
+	$states_ids[$ret['name']] = $ret['id'];
+
+	$DB->query('UPDATE glpi_computers SET states_id=NULL WHERE id='.$states_ids["Offline"]);
+	$DB->query('UPDATE glpi_computers SET states_id=NULL WHERE id='.$states_ids["Online"]);
+	$DB->query('DELETE FROM glpi_states WHERE id='.$states_ids["Offline"]);
+	$DB->query('DELETE FROM glpi_states WHERE id='.$states_ids["Online"]);
+
 	return true;
 }