Found solution. Windows native driver is either outdated or corrupted. Updating driver from Control Panel didn't help. However I've launched Driver Toolkit (software which I personally recommend), and downloaded latetst version of driver. Now Espruino Pico is correctly installed on COM3, and working perfectly! Gordon thank you very much for very good product!
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Found solution. Windows native driver is either outdated or corrupted. Updating driver from Control Panel didn't help. However I've launched Driver Toolkit (software which I personally recommend), and downloaded latetst version of driver. Now Espruino Pico is correctly installed on COM3, and working perfectly! Gordon thank you very much for very good product!