This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

Youtube Playback Error High Sierra

  • 1 svar
  • 2 har dette problemet
  • 15 views
  • Siste svar av AppleManDos

more options

Firefox 55.0.3 (64-bit) Mac OS 10.13 (2017/09/25) Fresh Installation. No add-ons, extensions, plugins, or blockers. All data cleared (cookies, history, etc.)

Same machine runs youtube videos in Firefox under Sierra without problem. VLC stream of same video works fine under High Sierra.

Firefox 55.0.3 (64-bit) Mac OS 10.13 (2017/09/25) Fresh Installation. No add-ons, extensions, plugins, or blockers. All data cleared (cookies, history, etc.) Same machine runs youtube videos in Firefox under Sierra without problem. VLC stream of same video works fine under High Sierra.

All Replies (1)

more options

Reinstalled macOS and Youtube now works in Firefox.