If you experienced a technical error with your test, you can take the test again within 30 days of your original purchase date. Before retaking the test, make sure that you are using a stable internet connection, and disable any content filtering extensions such as AdBlock.
For the Duolingo English Test, make sure that you meet our technical requirements, which are available here. If the problem persists, and it seems to be an issue on our side, please contact support so that we can investigate right away. Please share as many specific details and screenshots as you can in your request.
For additional assistance, please contact Support.