diff --git a/src/messenger/webim/libs/common.php b/src/messenger/webim/libs/common.php
index 438ddfc9..ef96a855 100644
--- a/src/messenger/webim/libs/common.php
+++ b/src/messenger/webim/libs/common.php
@@ -307,6 +307,9 @@ function getgetparam($name,$default='') {
 
 function connect() {
 	global $mysqlhost, $mysqllogin, $mysqlpass, $mysqldb, $dbencoding, $force_charset_in_connection;
+	if(!extension_loaded("mysql")) {
+		die('Mysql extension is not loaded');
+	}
 	$link = @mysql_connect($mysqlhost,$mysqllogin ,$mysqlpass )
 		or die('Could not connect: ' . mysql_error());
 	mysql_select_db($mysqldb,$link) or die('Could not select database');
diff --git a/src/messenger/webim/operator/getcode.php b/src/messenger/webim/operator/getcode.php
index a9afc630..c5639457 100644
--- a/src/messenger/webim/operator/getcode.php
+++ b/src/messenger/webim/operator/getcode.php
@@ -23,7 +23,7 @@ $imageLocales = array();
 $allLocales = get_available_locales();
 foreach($allLocales as $curr) {
 	$imagesDir = "../locales/$curr/button";
-	if($handle = opendir($imagesDir)) {
+	if($handle = @opendir($imagesDir)) {
 		while (false !== ($file = readdir($handle))) {
 			if (preg_match("/^(\w+)_on.gif$/", $file, $matches)
 					&& is_file("$imagesDir/".$matches[1]."_off.gif")) {
diff --git a/src/messenger/webim/operator/updates.php b/src/messenger/webim/operator/updates.php
index 5100557f..66838c72 100644
--- a/src/messenger/webim/operator/updates.php
+++ b/src/messenger/webim/operator/updates.php
@@ -18,6 +18,8 @@ require_once('../libs/settings.php');
 
 $operator = check_login();
 
+$default_extensions = array('mysql', 'gd');
+
 $errors = array();
 $page = array(
 	'localizations' => get_available_locales(),
@@ -25,6 +27,15 @@ $page = array(
 	'version' => $version,
 );
 
+foreach($default_extensions as $ext) {
+	if(!extension_loaded($ext)) {
+		$page['phpVersion'] .= " $ext/absent";
+	} else {
+		$ver = phpversion($ext);
+		$page['phpVersion'] .= $ver ? " $ext/$ver" : " $ext";
+	}
+}
+
 prepare_menu($operator);
 setup_settings_tabs(3);
 start_html_output();