![MDL-58472] "No compatible source was found for this media" on first access of videojs media element. - Moodle Tracker MDL-58472] "No compatible source was found for this media" on first access of videojs media element. - Moodle Tracker](https://tracker.moodle.org/secure/attachment/54980/54980_Screen+Shot+2017-04-04+at+12.27.50.png)
MDL-58472] "No compatible source was found for this media" on first access of videojs media element. - Moodle Tracker
![How to block web browsers like (IE, Google Chrome, Firefox, etc.) using Application Firewall feature How to block web browsers like (IE, Google Chrome, Firefox, etc.) using Application Firewall feature](https://cf-images.us-east-1.prod.boltdns.net/v1/static/5380177764001/80831744-12ee-4ee6-8ca1-62988b759acb/8253084e-1b87-4b7e-85e6-1348f2b89687/864x540/match/image.jpg)
How to block web browsers like (IE, Google Chrome, Firefox, etc.) using Application Firewall feature
![Each attempt to view a video on a particular site I get this message," Video format or mime not supported". How do I fix this? | Firefox Support Forum | Mozilla Support Each attempt to view a video on a particular site I get this message," Video format or mime not supported". How do I fix this? | Firefox Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2017-01-21-20-42-34-a28e4a.png)
Each attempt to view a video on a particular site I get this message," Video format or mime not supported". How do I fix this? | Firefox Support Forum | Mozilla Support
Ubuntu/Firefox (CODE:4 MEDIA_ERR_SRC_NOT_SUPPORTED) for HLS and MPEG-DASH sources · Issue #5983 · videojs/video.js · GitHub
Firefox does not play video through Media Source Extensions · Issue #7275 · videojs/video.js · GitHub
Windows XP Firefox 54, No decoders for requested formats · Issue #1233 · videojs/videojs-contrib-hls · GitHub
![Página web no se muestra bien en Firefox 90.x pero si se muestra bien en Chrome y en Microsoft Edge | Firefox Support Forum | Mozilla Support Página web no se muestra bien en Firefox 90.x pero si se muestra bien en Chrome y en Microsoft Edge | Firefox Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2021-07-17-13-28-01-622e1a.png)
Página web no se muestra bien en Firefox 90.x pero si se muestra bien en Chrome y en Microsoft Edge | Firefox Support Forum | Mozilla Support
Firefox does not play video through Media Source Extensions · Issue #7275 · videojs/video.js · GitHub
![reactjs - VIDEOJS: ERROR: (CODE:4 MEDIA_ERR_SRC_NOT_SUPPORTED) No compatible source was found for this media - Stack Overflow reactjs - VIDEOJS: ERROR: (CODE:4 MEDIA_ERR_SRC_NOT_SUPPORTED) No compatible source was found for this media - Stack Overflow](https://user-images.githubusercontent.com/70313067/152959581-a3f74fe7-7750-4260-a4cb-6a10ba936391.png)
reactjs - VIDEOJS: ERROR: (CODE:4 MEDIA_ERR_SRC_NOT_SUPPORTED) No compatible source was found for this media - Stack Overflow
![VIDEOJS: ERROR: (CODE:4 MEDIA_ERR_SRC_NOT_SUPPORTED) No compatible source was found for this media on WSHH | Firefox Support Forum | Mozilla Support VIDEOJS: ERROR: (CODE:4 MEDIA_ERR_SRC_NOT_SUPPORTED) No compatible source was found for this media on WSHH | Firefox Support Forum | Mozilla Support](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2020-06-06-14-22-08-e8cf5d.png)