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What could be causing Youtube to stop working in Firefox, giving just a black box instead of a video?

Andy Birkett
Andy Birkett
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Whenever I try to view any video on Youtube in Firefox, I get an empty black box instead of a video. There are no buttons etc, nothing at all. If I right click, a grey box appears with "About Flash..." and "movie not loaded".

Youtube works fine in Internet Explorer, and I've tried uninstalling and reinstalling Flash and Shockwave. I'm on a laptop running Windows 7 Home Premium, SP1, 32 bit, and Firefox 5.0.

Any ideas?

Andy

Whenever I try to view any video on Youtube in Firefox, I get an empty black box instead of a video. There are no buttons etc, nothing at all. If I right click, a grey box appears with "About Flash..." and "movie not loaded". Youtube works fine in Internet Explorer, and I've tried uninstalling and reinstalling Flash and Shockwave. I'm on a laptop running Windows 7 Home Premium, SP1, 32 bit, and Firefox 5.0. Any ideas? Andy

Wšykne wótegrona (1)

James (doing minimal support)
James (doing minimal support)
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Try clearing the Cache in Firefox.

Tools-> Clear Recent History -> [v] Cache

or Tools->Options->Advanced->Network -> Offline storage -> [Clear Now]

Youtube may have made some changes recently. Clear the Youtube cookie and refresh page if above does not do it.

Wót James (doing minimal support) změnjony