■■■■ this looks like a Chromium problem. 
The AMD support page and their driver page is unusable. Pages scroll very slow or stop. Drop down menus are very delayed or unresponsive.
http://support.amd.com/us/Pages/AMDSupportHub.aspx
http://support.amd.com/us/gpudownload/Pages/index.aspx
Dragon 16.1.1.0 and Chromium Portable (Chromium Core 17.0.942.0) do not work. Pages worked with Opera 11.60 and Firefox 8
Windows 7 64 bit
AMD Catalyst 11.11
Dragon 16.1.1.0
Flash 11.2.202.121