Are you able to right click on the Flash content (video) and select Settings?
If you can access the settings toggle the hardware scaling option in the
For hardware-accelerated scaling to work, you need Microsoft® DirectX 9 with
VRAM 128 MB on Windows® 2000 Service Pack 4 or higher; for Apple® Macintosh®,
OS X v10.2 or higher. There might be compatibility issues with older hardware
Important Note: These online forums are for user-to-user discussions of Adobe
products, and are not an official customer support channel for Adobe. If you
require direct assistance, or prefer to contact Adobe support staff directly,
please contact Adobe support.