Bob, Let us know what happens after your have the Disk Utility repair your permissions. Like John indicated we need to know what version of the OS you are running. > On 09/19/05, Bob Schmidt <bob58523 at charter.net> wrote: >> >> I found the system profiler and it works. But it will not launch from the >> "about this mac" button. I just realized that the icon for my itunes has >> also changed. This all seems to have happened when I did the last update.