1-) Open the file /includes/function_zseo.php and search for this
PHP Code:
$string = unhtmlspecialchars($string);
add below:
PHP Code:
$string = str_replace("ı", 'i', $string);
$string = str_replace("ğ", 'g', $string);
$string = str_replace("?", 'u', $string);
$string = str_replace("ş", 's', $string);
$string = str_replace("?", 'o', $string);
$string = str_replace("?", 'c', $string);
$string = str_replace("Ğ", 'g', $string);
$string = str_replace("?", 'u', $string);
$string = str_replace("Ş", 's', $string);
$string = str_replace("İ", 'i', $string);
$string = str_replace("?", 'o', $string);
$string = str_replace("?", 'c', $string);
2-) Diğer sorunun cevabını bilmiyorum

Ayarlarına bi bak istersen.
i don' t know other problem