We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

搜索 | 用户支持

防范以用户支持为名的诈骗。我们绝对不会要求您拨打电话或发送短信,及提供任何个人信息。请使用“举报滥用”选项报告涉及违规的行为。

详细了解

Unable to play certain videos

  • 1 个回答
  • 1 人有此问题
  • 1 次查看
  • 最后回复者为 FredMcD

more options

I am trying to watch udemy course videos on udemy. However the site is unable to play videos. Even on youtube i am not able to watch live streams for some reason. This problem was not encountered before. I use ubuntu os and my firefox version is 80.0.1

I am trying to watch udemy course videos on udemy. However the site is unable to play videos. Even on youtube i am not able to watch live streams for some reason. This problem was not encountered before. I use ubuntu os and my firefox version is 80.0.1

所有回复 (1)

more options

Please provide a public link (no password) that we can check out. No Personal Information Please !


Make sure you are not blocking content.

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?


https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop