Lot of issues regarding playing youtube videos in Google Chrome , many user are complaining that they are facing problem in loading youtube video in chrome.But you may solve this problem by applying few changes in your chrome browser.
Clear your Browsing History – Clear all your Browsing Details Which include clear history, empty the cache, delete cookies are checked and make sure Clear data from this period is set to Everything.
Update your Flash Player – Go to Adobe.com Click the Get Flash Player and Chrome will ask you to Save it, so Do it, and then Run it , and install it (it does not list chrome as supported but it is!) it may even ask you to Close chrome ,
Chrome always Auto updates to the latest version , So dont disable auto update of your chrome browser.Also take care of below steps If you are using AdBlock, unchecking ‘block ads inside YouTube videos’ and Updating Java and Clearing cache may also solve this problem.