If you are using a counterfeit PL2303 chip (common in low-cost devices), remember to fall back to the v3.3.2 legacy driver to avoid the dreaded Code 10 error. For all other chipsets, the latest drivers work perfectly.
QHMPL 0719 LV driver is typically associated with the Quantum QHMPL 150Mbps Wireless USB Adapter Qhmpl 0719 Lv Driver Download
: If an automatic setup fails, you can manually install the driver by right-clicking the device in Device Manager , selecting "Update Driver," and browsing for the .inf file. If you are using a counterfeit PL2303 chip
Do not download a driver based on the name "Qhmpl" alone. You must verify the actual chipset using the steps below. selecting "Update Driver