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Crazy glitch involving audio and video on firefox

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Everytime I try to play any video, flash game or even use things like myinstants, the play button doesn't work and the frame stay there, stuck with nothing happening. I've tried to restart on safe mode, but the bug still persists.

Everytime I try to play any video, flash game or even use things like myinstants, the play button doesn't work and the frame stay there, stuck with nothing happening. I've tried to restart on safe mode, but the bug still persists.

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Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: "3-bar" menu button or Tools > Add-ons > Appearance
  • Do NOT click the "Refresh Firefox" button on the Safe Mode start window

You can check for problems with current Shockwave Flash plugin versions and hardware acceleration in Firefox and try this:

See also: