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As the picture Ubuntu with chrome with the error

As you can see there's a black bar, is there anyway to fix this?

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Have you tried after disabling all extensions? I checked that same page ( and didn't see that black bar. Also, is it just on this page or on all YouTube pages? – user25656 Sep 6 '12 at 17:45
@vasa1 I disabled all extension and plugins except Flash. This is on the Youtube page itself. Even in fullscreen it seem to be offsetting from the top with some amount. – Athiwat Chunlakhan Sep 6 '12 at 18:08
What about about:flags? Have you enabled anything there or forced hardware acceleration? – user25656 Sep 6 '12 at 18:25
@vasa1 Tried forced and disabled. Other than that I haven't enable anything else. – Athiwat Chunlakhan Sep 7 '12 at 2:33
One more thing ... You should be having two Flash plug-ins, '/opt/google/chrome/PepperFlash/` and /usr/lib/flashplugin-installer/ Try with just one enabled at a time. – user25656 Sep 7 '12 at 2:37
up vote 0 down vote accepted

I have found out a solution, to people with this problem I think the chrome flash plugin is bugged and if you only have one flash to choose from in "chrome://plugins" you will need to install the external library of ubuntu. Install that and there should be an option in chrome. Disable the one with "/opt/google/chrome/PepperFlash/"

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