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YouTube video shudder after Maverick upgrade

I have just upgraded Maverick to 5.1.0.0.

I now find that video watched on YouTube shudders.

There is no problem with other sites such as Vimeo.

Can anyone help please?

iMac (27-inch, Late 2012), Maverick 5.1.0.0

Posted on Apr 12, 2014 3:25 AM

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Question marked as Best reply

Posted on Apr 12, 2014 3:37 AM

1. System Preferences > Flash Player > Advanced > Delete All

Press the "Delete All" button



2. Safari > Preferences > Privacy


Press the button “ Remove All Website Data”.

3 replies

YouTube video shudder after Maverick upgrade

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