You can try using the Microsoft Certified USBUART driver.
It can be obtained from the following link:
Note: On Windows 10, you can use signed drivers only.
Please refer to the following thread regarding use of the driver: Re: Use of the Cypress Microsoft Certified USB UART Driver
Let me know if this works for you.
Yes, I tried yesterday with this option too.
The same result. Driver error and no possiblity for installing it.
The problem was in the main.
There was a funtion call writing in the usb uart before be correctly configured.