which version do you have? skalidis is in both 3.9.67 and 3.9.68.
by the way i'm not sure but you may have to validate your data with the new editor coming with the update.
and this is the direct link to 3.9.68
http://www.sigames.com/dl.php?id=293&version=CM 01-02&file=cm0102_3968.exe&type=8