Embedded YouTube players fail with error 153
The add-on breaks YouTube videos embedded on other sites, showing error 153 instead of playing them.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 30 November 2025 · last reported 3 October 2026
What's going wrong
Some Firefox users report that the add-on stops YouTube videos embedded on other websites from playing, showing error 153 instead of the video.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.