I have an iMac Power PC G4 700 MHz 256 MB SD Ram OS 10.2.8. I had trouble with my finder and so deleted the com.apple, finder. plist from the Preference file but now I have 3 other icons that I cannot drag to the waste basket: the log in window, the system UI server and the dock. Do I do the same with them? I sure love my Mac, but I think I got into trouble when I downloaded Dockless in September 2008.