cpld下载时出现Unrecognized device or socket is empty?? device, socket, Unrecognized, cpld, empty

dayupday

maxplus2 10.2版

CPLD采用altera的emp7032SLC44-10,在XP系统下安装了ByteBlaster(MV)驱动,不知道如何处理,哪位大虾指点指点