Use the CH341SER driver from Cape Avionics.
Getting the WLN KD-C1 USB driver to work perfectly can require a little patience, especially when dealing with Windows driver updates. By identifying your cable's chipset, manually locking in the correct driver version in Device Manager, and ensuring a tight physical connection to your radio, you can easily bypass common errors and fully customize your walkie-talkie frequencies. To help customize your programming setup, let me know: wln kd-c1 usb driver
The software is available as a digital download and comes in two configurations: Use the CH341SER driver from Cape Avionics
Right-click the installer file (usually SETUP.exe for CH340) and select . wln kd-c1 usb driver
Install the driver software first to prevent Windows from automatically installing a generic (and often non-working) version.