que pode ajudar
Disable Flash Hardware Acceleration?
Unfortunately, many people on the AMD forums reported problems when they enable flash hardware acceleration. By default, flash hardware acceleration is enabled, so you might want to disable it if you have any problems with flash.
Right-click on a YouTube or flash video and click on Settings. Uncheck “Enable Hardware Acceleration”:
Read more: http://windows7themes.net/flash-high-cpu-load-gpuhardware-acceleration.html#ixzz1IdEPCFuS