Windows 10 strictly blocks unsigned drivers by default. You must disable this feature to communicate with the KESS V2 hardware. Update & Security Restart now under "Advanced startup". Troubleshoot Advanced options Startup Settings . Once the menu appears, press to select " Disable driver signature enforcement
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: The software may perform a local protocol update upon first launch. Ensure the hardware remains connected and do not close the program during this process. Important Usage Tips Windows 10 strictly blocks unsigned drivers by default