Is your cron running on your server? Does it have the correct entry in it for moodle, something like:
/usr/bin/wget
-O - -q "http://yourdomain.com/moodle/admin/cron.php" > /dev/null
2>&1
Is your cron running on your server? Does it have the correct entry in it for moodle, something like:
/usr/bin/wget
-O - -q "http://yourdomain.com/moodle/admin/cron.php" > /dev/null
2>&1