If you use Eye Candy 6 then please check your version number in the about box. On Windows, start Eye Candy 6 and open the Help menu to find the about box. On a Mac, start Eye Candy 6 and then go to the Photoshop menu to find the about box.
Older versions use our old activation system which will stop working for Eye Candy 6 on May 21st, 2012. Eye Candy 6 won’t immediately die, but you won’t be able to do a new installation and activate it.
If Eye Candy 6 is working for you then you don’t need to reinstall. But if it ever gives you any trouble (like activation errors) then uninstall the old version and run that new installer. Instructions for uninstalling are below.