Hi pnunez -
It looks like your AMD Display Driver and Catalyst Control Center are out of date. Can you update those to the newest version via AMD’s website, found here:
http://support.amd.com/en-us/download/mobile?os=Windows%208.1%20-%2064
and let me know if this allows you to open the 4.8 editor again.
Thank You
Eric Ketchum