We could not verify the security of your test environment. 

Hello everyone, welcome back to our channel dedicated to acing the Duolingo English Test! In today’s video, we are going to discuss a common issue many test-takers face: the message "We could not verify the security of your test environment."
Fluctuation of electricity in your House or place where you have written your DET
Main Reason: Power Backup: Use a reliable power source or a backup like an uninterruptible power supply (UPS) to avoid power fluctuations.