Make sure CURA 15.06 is download from link: http://wiki.malyansys.com/doku.php?id=cura_15

Follow below procedure to reset settings: http://wiki.malyansys.com/doku.php?id=how_to_clear_eeprom_to_factory_state

Uninstall original CURA and install again. If problem remain, please report to our support email.