Right-click the driver installer ( CH341SER.exe ) and select Run as Administrator .
Windows 7 can be picky about "Unsigned Drivers." Follow these steps for a clean install: Unplug the USB cable from your PC.
Avoid using USB extension cables. The signal for these cutters is sensitive and can degrade over long distances.
Since GoldCut doesn’t always have a centralized English website, you can usually find the correct drivers through: