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I clicked block in youtube trying to disable an ad on the video, but now videos won't play at all. I checked my adblock plus preferences and youtube isn't listed as blocked. Help please!

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gwenaverill
gwenaverill
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At youtube's home page, thumbnails for videos show up, but when I go to the video itself, it just shows up as a black rectangle. Videos embedded on other sites aren't working either.

At youtube's home page, thumbnails for videos show up, but when I go to the video itself, it just shows up as a black rectangle. Videos embedded on other sites aren't working either.

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cor-el
cor-el
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See:

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).

See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems