firefox error and youtube doesn't play videos?

the following plugin is required:

On2 VP6/Flash decoder

Do you want to search for this now?

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when I search, it says it doesn’t find anything.

youtube videos don’t work either.

how do I fix?

thanks,
charles…

do you have installed flash player? → Yast

About On2 VP6: www.on2.com - On2 VP6 Decoder

Alternatively you can install the newest Google Chrome and use HTML5 for video encoding.
For this you must activate this on the youtube page.