diff --git a/src/messenger/webim/libs/chat.php b/src/messenger/webim/libs/chat.php
index 9acb4515..57b802fa 100644
--- a/src/messenger/webim/libs/chat.php
+++ b/src/messenger/webim/libs/chat.php
@@ -576,7 +576,7 @@ function close_old_threads($link)
 	}
 	$next_revision = next_revision($link);
 	$query = "update ${mysqlprefix}chatthread set lrevision =  $next_revision, dtmmodified = CURRENT_TIMESTAMP, istate = $state_closed " .
-			"where istate <> $state_closed and istate <> $state_left and  " .
+			"where istate <> $state_closed and istate <> $state_left and lastpingagent <> 0 and lastpinguser <> 0 and " .
 			"(ABS(UNIX_TIMESTAMP(CURRENT_TIMESTAMP) - UNIX_TIMESTAMP(lastpinguser)) > " . $settings['thread_lifetime'] . " and " .
 			"ABS(UNIX_TIMESTAMP(CURRENT_TIMESTAMP) - UNIX_TIMESTAMP(lastpingagent)) > " . $settings['thread_lifetime'] . ")";
 
diff --git a/src/messenger/webim/libs/common.php b/src/messenger/webim/libs/common.php
index b267a680..488740d5 100644
--- a/src/messenger/webim/libs/common.php
+++ b/src/messenger/webim/libs/common.php
@@ -672,7 +672,7 @@ $settings = array(
 	'geolinkparams' => 'width=440,height=100,toolbar=0,scrollbars=0,location=0,status=1,menubar=0,resizable=1',
 	'max_uploaded_file_size' => 100000,
 	'max_connections_from_one_host' => 10,
-	'thread_lifetime' => 60,
+	'thread_lifetime' => 600,
 
 	'email' => '', /* inbox for left messages */
 	'left_messages_locale' => $home_locale,
diff --git a/src/messenger/webim/libs/getcode.php b/src/messenger/webim/libs/getcode.php
index d1381526..747dabbb 100644
--- a/src/messenger/webim/libs/getcode.php
+++ b/src/messenger/webim/libs/getcode.php
@@ -39,7 +39,7 @@ function generate_button($title, $locale, $style, $invitationstyle, $group, $inn
 	    $temp .= '<div id="mibewinvitation"></div><script type="text/javascript">var mibewInviteStyle = \'@import url(';
 	    $temp .= get_app_location($showhost, $forcesecure);
 	    $temp .= '/styles/invitations/';
-	    $temp .= ($invitationstyle?$invitationstyle:$settings['invitationstyle']);
+	    $temp .= ($invitationstyle?$invitationstyle:(array_key_exists('invitationstyle', $settings)?$settings['invitationstyle']:'default'));
 	    $temp .= '/invite.css);\'; var mibewRequestTimeout = ';
 	    $temp .= $settings['updatefrequency_tracking'];
 	    $temp .= '*1000; var mibewRequestUrl = \'';
diff --git a/src/messenger/webim/libs/track.php b/src/messenger/webim/libs/track.php
index aab49b0c..91dabfd2 100644
--- a/src/messenger/webim/libs/track.php
+++ b/src/messenger/webim/libs/track.php
@@ -50,8 +50,8 @@ function track_visitor_start($entry, $referer, $link)
 			db_escape_string($entry),
 			db_escape_string(track_build_details())), $link);
 
-	if ($id) {
-		track_visit_page($id, $referer, $link);
+	if ($SESSION['visitorid']) {
+		track_visit_page($SESSION['visitorid'], $referer, $link);
 	}
 
 	$id = db_insert_id($link);
diff --git a/src/messenger/webim/locales/en/properties b/src/messenger/webim/locales/en/properties
index 835c13fb..9f7941ff 100644
--- a/src/messenger/webim/locales/en/properties
+++ b/src/messenger/webim/locales/en/properties
@@ -504,7 +504,7 @@ settings.survey.askmessage=Show initial question field
 settings.title=Messenger settings
 settings.trackinglifetime.description=Specify the lifetime of old visitor's tracks in seconds. Default is 600 seconds.
 settings.trackinglifetime=Track lifetime
-settings.threadlifetime.description=Specify the lifetime of the thread after closing the dialog box in seconds. Default is 60 seconds. Set 0 for unlimited thread lifetime.
+settings.threadlifetime.description=Specify the lifetime of the thread after closing the dialog box in seconds. Default is 600 seconds. Set 0 for unlimited thread lifetime.
 settings.threadlifetime=Thread lifetime
 settings.usercanchangename.description=Turn off to hide edit box from chat window
 settings.usercanchangename=Allows users to change their names
diff --git a/src/messenger/webim/locales/ru/properties b/src/messenger/webim/locales/ru/properties
index e425cd1a..541292ae 100644
--- a/src/messenger/webim/locales/ru/properties
+++ b/src/messenger/webim/locales/ru/properties
@@ -494,7 +494,7 @@ settings.survey.askmessage=
 settings.title=Настройки мессенджера
 settings.trackinglifetime.description=Укажите срок хранения старых отслеженных путей в секундах. По умолчанию, 600 секунд.
 settings.trackinglifetime=Срок хранения отслеженных путей
-settings.threadlifetime.description=Укажите время жизни диалога после закрытия диалогового окна в секундах. По умолчанию, 60 секунд. Укажите 0 для снятия ограничения.
+settings.threadlifetime.description=Укажите время жизни диалога после закрытия диалогового окна в секундах. По умолчанию, 600 секунд. Укажите 0 для снятия ограничения.
 settings.threadlifetime=Время жизни диалога
 settings.usercanchangename.description=Возможность убрать поле смены имени из чат окна
 settings.usercanchangename=Разрешать посетителям менять имена
diff --git a/src/messenger/webim/operator/update.php b/src/messenger/webim/operator/update.php
index 3175dabc..cf55ec2f 100644
--- a/src/messenger/webim/operator/update.php
+++ b/src/messenger/webim/operator/update.php
@@ -235,7 +235,7 @@ function print_visitors()
 	$output = array();
 
 	$query = "SELECT visitorid, userid, username, unix_timestamp(firsttime), unix_timestamp(lasttime), " .
-			 "entry, path, details, invited, unix_timestamp(invitationtime), invitedby, invitations, chats " .
+			 "entry, details, invited, unix_timestamp(invitationtime), invitedby, invitations, chats " .
 			 "FROM ${mysqlprefix}chatsitevisitor " .
 			 "WHERE threadid IS NULL " .
 			 "ORDER BY invited, lasttime DESC, invitations";