I'm not sure if this thread belongs here or in the gaming area, but i get this error when trying to install my ATI Raedon Catalyst (the Video Card software for ATI). Anyway, i figured that the problem was with Installshield Wizard, and not with Catalyst. Because everytime I start up the installation, during Installshield Wizard Setup, it says "No such interface supported." And it is not just with this installation, every installation that has worked in the past, that used installshield wizard, has quit working now as well. Any help would be greatly appreciated!