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Suddenly You Tube and all on line videos don't play anymore

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I have just found that the video clips on You Tube do not play anymore. They do not load.

I have just found that the video clips on You Tube do not play anymore. They do not load.

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Can you check this issue on Firefox 9 ?

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Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).