Problem with browser flash plugin

YouTube video does not work properly (see image). How can I fix this?

http://i.stack.imgur.com/Ku3hO.png

Device Information :

System: Host: abdelwahab-2014 Kernel: 3.11.0-12-generic i686 (32 bit, gcc: 4.8.1)

Desktop: N/A Distro: Linux Mint 16 Petra

Machine: System: Dell product: OptiPlex GX260 Chassis: type: 6

Mobo: Dell model: N/A Bios: Dell version: A03 date: 09/24/2002

Graphics: Card: Intel 82845G/GL[brookdale-G]/GE Chipset Integrated Graphics Device bus-ID: 00:02.0

X.Org: 1.14.3 drivers: intel (unloaded: fbdev,vesa) Resolution: 1280x1024@60.0hz

GLX Renderer: N/A GLX Version: N/A Direct Rendering: N/A

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