hmm, forget!in installshield somethings sometimes works and sometimes doesn't.It worked before, but now I desisted.I was using a Custom Action that calls a program mine to delete. I tried change, but I have to keep like before...:mad: it is hard work...
I created a component with condition: REMOVE="ALL" And Installedand in "Registry Data" created what I needed.it worked both to install a new key and delete a key...