Closing youtube crashes my browser

[Joeri]

It is caused by chrome's build in flash, fixable for now by switching to an installed flash build.

• Go to about:plugins
  
• Disable all flash plugins (open detailed view)
  
• Restart browser
  
• Download the latest flash from http://get.adobe.com/flashplayer/
  
• Open about:plugins again and make sure only the file in the windows folder is enabled
  

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If this didn't help, disable hardware acceleration by going to a randon flash video and open the settings with a right click.
Untick this box: