ik wrote: > It means that you do not have libusb installed on your machine. He might have it installed, but not the -devel package for it so the symlink to libusb.so doesn't exist. See (FAQ 6.3) http://wiki.lazarus.freepascal.org/Lazarus_Faq#I_receive_an_error_during_the_linking_that_states_.2Fusr.2Fbin.2Fld_can.27t_find_-l.3Csome_lib.3E Marc