If the proprietary driver fails completely, forcing Windows 10 to treat the device as a standard legacy serial port can restore functionality.

Unplug your portable device, wait 10 seconds, and plug it back into a different USB port.

Pnp0500 Windows 10 Portable __exclusive__ -

If the proprietary driver fails completely, forcing Windows 10 to treat the device as a standard legacy serial port can restore functionality.

Unplug your portable device, wait 10 seconds, and plug it back into a different USB port. pnp0500 windows 10 portable