Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

problems with win 10

  • 3 cavab
  • 3 have this problem
  • 1 view
  • Last reply by kostasp

more options

i have windows 10 and the newest version of firefox. 1) No videos on sites can be plauing with the message- error loading player: no playable sources found. 2) is no possible to take part on sites that use java. I don'have this problems with other browsers. Do you have a solution?

i have windows 10 and the newest version of firefox. 1) No videos on sites can be plauing with the message- error loading player: no playable sources found. 2) is no possible to take part on sites that use java. I don'have this problems with other browsers. Do you have a solution?

Modified by kostasp

All Replies (3)

more options

This error message is about Flash player. Do you have the latest version? Does it work better with a fresh profile? https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles

more options

That is more likely a problem with the HTML5 media player.

more options

thx, it was a problem with the flash player, is solved with the newest version. Thanks again