Maybe others might know better. IFirst had an old one. Had to backdate to an older driver. Then got a new one from mwave that worked with the driver windows 10.
Tell us all know what chip and model it is. And you're operating system. Someone will know.
edit:
If you have the pl2303 chip this website is good for chip compatibility with different windows versions and what drivers are needed
http://www.prolific.com.tw/US/ShowPr...id=225&pcid=41