If these steps do not resolve the issue, contact support directly with your account email and the specific lab name: Qwiklabs Support : For technical issues inside the lab environment. Coursera Support : For enrollment, access, or platform-wide bugs.
This article is a deep dive into why Qwiklabs fails on Coursera and provides a step-by-step troubleshooting guide to get you back to learning. coursera qwiklabs not working