Windows 10 blocks unsigned or older drivers by default. To install the GEV189 driver:
The GEV189 cable typically uses a standard USB-to-Serial (RS232) converter chip. usb download cable gev189 driver windows 10 new
If you don't want to fight drivers every month, buy a genuine FTDI-based USB cable for your radio. The GEV189 clones cost $6; the genuine cable costs $25. The difference? FTDI chips have official Windows 10 drivers that work forever. Many pros now call the GEV189 "e-waste." Windows 10 blocks unsigned or older drivers by default
The GEV189 isn't a special snowflake. It’s a generic USB-to-serial (TTL) programming cable. Inside that chunky plastic blob midway down the wire lives a tiny chip—almost always the Prolific PL2303HX or a clone. The GEV189 clones cost $6; the genuine cable costs $25
For years, this cable was the universal key to programming two-way radios. On Windows XP and 7, it worked like magic. But Microsoft, in its infinite wisdom, dropped support for older, "unauthorized" serial chips starting with Windows 10 Version 1703 (Creators Update).
Warning: This weakens Windows security. Only use temporarily on a non-critical machine.