pk// UAC is User Account Control.. it sets what has permissions to alter  and generally mess about with files on your system.. as well.. it sets admistrator permissions. disabling it is an option, though not very good.. main thing.. does ANYONE else have access to your computer? also, are you comfident of the Virus/malware protection you have?... if so, then, yeah you COULD.. but.. you can also set the UAC to give admin premission to your acccoubt AND "daughter" processes... geekspeak for.. "If you run a program, it "inherits" permission to alter files without asking"

Myself, I am using that option as, no-one else has access. also... if you are running CS2 on a 7 system, you should set compatibility for XP... right-click the iccon and go to properties.. you will see it as a tab, then opyions will show up when you click set compatibility. Myself.. I have found that there have been more than a few plugins  and brushes that won't run in CS5.. VERY annoying. Lou.

"..... and that was when things got interestiing."