If the driver is installed but you still cannot download data, try these steps:
Run the installer . Reboot if prompted. Then plug in the GEV189 cable. Wait 10–20 seconds for Windows to assign a COM port. usb download cable gev189 driver windows 10 upd
If it still fails, disable Driver Signature Enforcement temporarily (see Method 4). If the driver is installed but you still
Built-in RS232-to-USB serial converter chip (typically FTDI FT232R). usb download cable gev189 driver windows 10 upd