Can you give more detail? There shouldn't be any problem using that library 64 bit. Mike On Thu 9/30/2010 10:12 PM, Mehmet Balman wrote: > I have small software using globus_ftp_client_get() and > globus_ftp_client_verbose_list() from GridFtp API. It works fine in > 32-bit env, but not in 64-bit env. Does anybody have a similar problem > before?