Why can't chrome "load plugin" for YouTube? (Which I assume is adobe flash player)

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http://askubuntu.com – I have tried the instructions on the page http://helpx.adobe.com/flash-player/kb/flash-player-google-chrome.html#m... to turn flash player on and I have restarted my browser and it still gives me this error. How do I get around this error? (HowTos)