> > is there any special quirk to work on Windows 10?
> > I get an error -4 / usb_open() failed, while the same code works fine on
> > Windows 7.
> > I have downloaded the drivers from
> > https://ftdichip.com/drivers/d2xx-drivers/
> > and the device boots correctly.
> > Using libftdi-1.5 with libusb-1.0.24 on a 64 bit machine.
> >
>
> In order to use libusb/libftdi under Windows you have to install the
> supported driver like WinUSB, you can not use the FTDI vendor
> driver.
> https://github.com/libusb/libusb/wiki/Windows#Driver_Installation
>
> I believe your Windows 7 machine has the WinUSB driver installed.
>
> You can use Zadig to switch the driver.
> https://zadig.akeo.ie/
Yes, that was it! Did the installation on the older machine long time ago and
forgot about it. Thanks!
Kind Regards,
Leandro
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