After deleting the drupal_user and drupal database from the MySQL database .... I did a fresh install .... created the database all over again ..... Installed the CCK .... and the link and imagefield .... AND THE SAME VALIDATION ERROR IS BACK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WTF!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!