how come when i installed daemon tools, it say wat need local adminstrator for 1st time run. But i only got 1 account at vista, some more is admin..

i am on vista but now i have prob with disk space. I tried to right click those main folder and add up to a total of 25gb. But when i right click the drive and i found out it is 38gb, which was 13gb ahead of the actual one. Anybody can let me know what's going on?

my explorer eat 100% cpu usage when i open my drive on the screen shot, other drive no problem one.. can tell me what's happening?? Really desperate for help...

need help here, i dunno why when play game the hdd keep on loading... now even WOW will lag and before i never have this problem.. I am using vista so i scare is driver conflict or watever, last time i use vista also but no problem at all... should i format my comp again??