If you encounter the "Open KT200 Device Error" when opening the htprog software (when you have ECUHELP KT200 and HTprog clone adapter), don't worry! We have a comprehensive solution to help you resolve it.



Follow these steps:

-Ensure that your KT200 full version + HTprog is connected properly. Use KT200 as a USB key.

-Try connecting KT200 to other USB port and check if it is online. Once connected, open htprog and confirm if it is linked to your KT200.

-If you haven't installed the KT200 driver before or if you're experiencing issues, you can download the KT200 driver. 

Tips for a Successful htprog Software Installation:

-Disable your firewall and uninstall any antivirus software to prevent conflicts during the installation process.


-Ensure a stable network connection for smooth operation of htprog software.

-If you haven't installed the KT200 driver previously, it is necessary to install it. However, if your KT200 has been running well before, there's no need to reinstall the driver.

-Set your computer's time zone to update automatically and synchronize your clock for accurate timing during operations.



Conclusion: 
By following these instructions, you can resolve the "Open KT200 Device Error" and optimize the performance of htprog software. Enjoy a seamless experience with your ECU programming tasks.