usb to serial db9 driver help.

hi,im running vista 64 home edition and having big problems with the drivers,the disk that came the cable have 64 bit drivers but they wont work as they are not digitally signed,i have been to the manufactures website"bafo" with no success and they dont even have a contact us section,so i tried the net with no success either so i am here looking for help,thanx in advance clint. Product Information