Resolved after 13 hours 52 minutes, affecting Simon Learner Experience and OpenSesame Course Delivery Platform, on January 19, 2026.
TED has informed us that the source of the issue has been identified and fixed. We are able to confirm that videos are now loading properly in TED courses.
Affected components
Update timeline
- investigating Jan 19, 2026, 03:45 PM UTC
We are investigating an issue preventing learners from launching TED courses. Affected users may encounter an error message stating that the video is not loading when launching a Simon TED course. Our engineering team is actively working to resolve this issue. We apologize for any inconvenience. Please reach out to our support team with any questions or concerns.
- investigating Jan 19, 2026, 07:07 PM UTC
We continue to investigate the issue with TED courses not launching. We apologize for any inconvenience. Please reach out to our support team with any questions or concerns.
- resolved Jan 20, 2026, 05:38 AM UTC
TED has informed us that the source of the issue has been identified and fixed. We are able to confirm that videos are now loading properly in TED courses.
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