YouTube videos start button disappeared and does not start

some videos won't play on Youtube, they display only a black screen without a start button. A solution that I read was to uninstall/reinstall Firefox, but I really don't want to lose all my modules and extensions and having to start all over again! Other solutions to this problem?

You have some different add-ons that could affect Youtube, Adblock Plus and DoNotTrackMe and 5 different downloaders works. Could you try to create exceptions for youtube.com in Adblock Plus and DoNotTrackMe to see if that makes a difference?

Try the Options buttons for these extensions on page modules. Either:

  • CTRL + SHIFT + a
  • Firefox orange (or the Tools menu) button > Add ons

In the left column, click Extensions.

In addition, Adblock Plus is now a lot more up-to-date as the ad blocker updated for Firefox 11 +, so you can delete this one.

Tags: Firefox

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