У вашего броузера проблема в совместимости с HTML5
This vid helps Fix YouTube 400 error while opening YouTube via Chrome.
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Read text guide@ http://uninstallguides.freeforums.net/thread/270/fix-youtube-400-error-chrome Learn more?
* https://www.youtube.com/watch?v=gUCMW7TzyyA Fix error code 628
* https://www.youtube.com/watch?v=EpwQ7UaMQUg Fix error code 0x800F0922
* https://www.youtube.com/watch?v=s--x7uXv3jQ Fix oops! We couldn't save this one