Windows 10 blocks unsigned drivers by default. KESS uses a "libusb" driver that is usually unsigned.
Launch K-Suite and wait for it to complete its initial loading and device info reading without pressing "Skip". Автодиагностик Груп Essential Usage Tips Battery Stability: Always connect the vehicle to a stabilized battery charger
If your clone has a "ST10F" processor (white sticker), do not update past FW 4.036. Newer FW will kill the unit.