OK, this is actually for a computer at work that I have worked on. I was having all kinds of problems with the memory so I zapped the pram and rebuilt the desktop. Since then I have lost most of the icons and it appears that for some of those icons the applications must be launched or the document (for instance) will not open, and displays a message say that the application that created it could not be found. OK, I got the idea, something had been deleted or/and links lost. The question is how do I restore the icons and re-establish the links. Oh, and I also delete the system preferences in an attempt to correct the memory problem (I did correct the problem, but I am not sure what did it because I did it all without checking if it fixed the problem one at a time, bad habit of mine, throw everything at it and see what happens). If I need to re-establish the links one at a time how would I do it.