Kess V2 Install Windows 10 Verified -

The Frustrating Upgrade

• Virus & threat protection → Manage settings → Exclusions → Add folder C:\KSuite and C:\ProgramData\KSuite.

: Disable Windows Defender or any third-party antivirus software, as they often flag K-Suite files as false positives. Step-by-Step Installation Extract Files kess v2 install windows 10 verified

The day arrived, and Ahmed carefully followed the instructions provided with the Kess v2 programmer. He downloaded the Windows 10 installation media and created a bootable USB drive. He then connected the Kess v2 programmer to his computer and initiated the installation process. The Frustrating Upgrade

1. Hold Shift key and click Restart.
2. Let PC reboot to Choose an option → Troubleshoot → Advanced Options → Startup Settings.
3. Click Restart.
4. When the PC restarts, press 7 or F7 for “Disable driver signature enforcement.”
5. Windows 10 will boot – this mode remains active until you shut down.

| Error Message / Symptom | Verified Fix | |------------------------|---------------| | “USB Device not recognized” | Try a different USB port (USB 2.0 preferred). Disable USB selective suspend in Power Options. Reinstall STM driver while in driver signing disabled mode. | | “Cannot open COM port” | Go to Device Manager → COM port properties → Advanced → Change COM port number to COM1, COM2, or COM5 (not higher than 8). | | Kess software opens then closes immediately | Run as Administrator. Disable antivirus temporarily. Replace loader file. | | Timeouts during ECU reading | Use external 12V power supply on Kess V2. Shorten USB cable (under 1.8m). Ensure vehicle battery is >12.2V. | | Windows 10 update broke Kess | System Restore to before update. Or uninstall latest Windows update (KB5013942 and later known to affect legacy drivers). | Virus & threat protection → Manage settings →

Q4: My clone KESS V2 shows “Hardware ID mismatch.” What now?

You likely installed KSuite 5.029 on a clone that expects 5.017. Uninstall completely, delete registry keys (HKEY_CURRENT_USER\Software\Alientech), and reinstall with the verified 5.017 version.

• Open the KESSv2 software.
• Connect the unit to the vehicle (OBDII) and USB to the PC.
• Select a vehicle and attempt to read the ECU ID.
• Success: The software displays "Communication Established" or shows the ECU ID string.
• Failure: If you see "Device not found" or "Interface Error," return to Device Manager and check if the COM port is being blocked by another service.