Zeus,
I am using CCS3.3 on win 7 x64, I tried the method came up by Diego, but it does not work for my laptop. However, I uninstalled CCS 3.3 and installed it again and ignore all the warning and errors, than set the compatibility of CCS 3.3 and CCS 3.3 set up to win xp service pack 3, it turns out works fine for now.
He, Siyu