Заходим в index.php
ищем там
Код:
if ($forum['last_time'] > $exbb['last_visit']) {
$folderpicture = (!empty($forum['icon'])) ? '<img src="./im/images/'.$forum['icon'].'" border="0">' : '<img src="./templates/'.$exbb['default_style'].'im/foldernew.gif" border="0">';
}
else { $folderpicture = (!empty($forum['icon'])) ? '<img src="./im/images/no_'.$forum['icon'].'" border="0">' : '<img src="./templates/'.$exbb['default_style'].'im/folder.gif" border="0">'; }

Меняем на
Код:
if (isset($forum['last_time']) && $exbb['reged']) {
$forum_readed = true;
$t_visits = (isset($_COOKIE['t_visits'])) ? unserialize($_COOKIE['t_visits']) : array();
$filetoopen = $exbb['home_path'].'forum'.$id.'/list.php';
if (file_exists($filetoopen)) {
$topics = get_file($filetoopen);
} else {$topics = array();}
foreach ($topics as $tid=>$topic) {
$tvid = $id.$tid;
$topic_lastview = (isset($t_visits[$tvid])&&($t_visits[$tvid]>$exbb['last_visit']))?$t_visits[$tvid]:$exbb['last_visit'];
if ($topic['postdate']>$topic_lastview) { $forum_readed = false; break; }
}
if ($forum_readed) $folderpicture = (!empty($forum['icon'])) ? '<img src="./im/images/no_'.$forum['icon'].'" border="0">' : '<img src="./templates/'.$exbb['default_style'].'im/folder.gif" border="0">';
else $folderpicture = (!empty($forum['icon'])) ? '<img src="./im/images/'.$forum['icon'].'" border="0">' : '<img src="./templates/'.$exbb['default_style'].'im/foldernew.gif" border="0">';