: Go to the Driver tab. The version must be 3.3.2.102 (dated 09/24/08).
: If the version is different, unplug the adapter and run the fix program again. DMDCH1-0145-pc.zip
: Once the process finishes, reboot your computer to apply the changes. : Go to the Driver tab
: Double-click on "Prolific USB-to-Serial Comm Port". DMDCH1-0145-pc.zip
: Locate the downloaded DMDCH1-0145-pc.zip and extract the contents to a folder on your desktop.
If the device still shows an error in the Windows Device Manager, follow these steps to verify the driver version as recommended by RF HAMDESIGN : : Expand the Ports (COM & LPT) section.