Windows should locate the driver. If a security warning pops up ("Windows cannot verify the publisher"), click . 6. Verification
Look for an entry labeled or Prolific USB-to-Serial Comm Port .
When plugged into a Windows 10 PC without the correct driver, the cable will appear in as an “Unknown Device,” under “Other Devices,” or with a yellow exclamation mark. Windows 10 may automatically attempt to install a generic driver, but this often fails because the cable’s USB Vendor ID (VID) and Product ID (PID) are not in Microsoft’s standard driver database.
Windows 10 updates frequently block older or counterfeit Prolific chips, resulting in the infamous "Error Code 10" (Device cannot start) in Device Manager. Usb Download Cable Gev189 Driver Windows 10
⚠️ Warning: Many counterfeit Prolific PL2303 cables will never work correctly on Windows 10 build 1709+. If you see a yellow bang with error code 10 or 43, replace the cable with a genuine FTDI-based GEV189.
Which (e.g., Leica Infinity, LGO) are you using to download data?
While the driver comes included on a physical CD with the cable, many modern laptops, especially ultrabooks, no longer have optical drives. Here’s where you can find the driver digitally. Windows should locate the driver
If the v1.70 driver does not work, consider the following sources for up-to-date drivers:
After establishing a successful hardware connection in Device Manager, configure your data transfer software to match these default Leica hardware parameters:
Click to apply it. The yellow exclamation mark should disappear. "PL2303-PHASE OUT SINCE 2012" Error Verification Look for an entry labeled or Prolific
driver fails to install or maintain a connection on 64-bit systems, some users prefer the newer GEV267 cable, which is purpose-built for modern 64-bit environments. If you'd like, I can: Find the for your Leica model.
offers a repository for Leica drivers, though the Sunbelt link above is more direct for the GEV189. Summary Table Information Driver Version v1.70 or newer Compatible OS Windows 10 (64-bit and 32-bit) Chipset FTDI (FT232R) Primary Use TPS400/700/800/FlexLine
To prevent system instability or malicious software infections, always download the drivers from verified sources. Option A: Leica Geosystems myWorld Portal (Recommended) Navigate to the official portal.