Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Cannot watch youtube videos anymore. Already cleared cache and updated flash player. I can watch in other browsers

  • 1 reply
  • 4 have this problem
  • 1 view
  • Last reply by guigs

raven277
raven277
more options

Keep getting this no video with supported format and mime type found. just started happening was always able to watch before.

Keep getting this no video with supported format and mime type found. just started happening was always able to watch before.

All Replies (1)

guigs
guigs
more options

Please uninstall older versions of plugins on your profile. It may be affecting the performance of videos in the browser: