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For a given site, safe mode works, but disabling extensions won't

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But work, I mean that the video will not play, but the audio does. I disable all my add-ons, and it still won't work, but if I start in safe mode, it does. http://bearingarms.com/heavy-machine-guns-great-war/?utm_source=thdaily&utm_medium=email&utm_campaign=nl&newsletterad

But work, I mean that the video will not play, but the audio does. I disable all my add-ons, and it still won't work, but if I start in safe mode, it does. http://bearingarms.com/heavy-machine-guns-great-war/?utm_source=thdaily&utm_medium=email&utm_campaign=nl&newsletterad

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If you use extensions (Firefox/Tools > Add-ons > Extensions) that can block content (e.g. Adblock Plus, NoScript, Flash Block, Ghostery) then make sure that such extensions aren't blocking content.

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

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window

If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.

Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)

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If I start in safe mode the web site works. If I start in standard mode, the video does not work, I then go to add-ons -> extensions and disable EVERYTHING, the same as safe mode, and the web site DOES NOT WORK after restarting with the extensions disabled. Therefore, what else is disabled in safe mode.