Hello all, I am trying to install the version 4 phone on a Vista PC. I have successfully installed it on another Vista PC running the same version. When I double-click on the file the installer starts and the first windows comes up, but the NEXT button never enables so you can't continue. In Task Manager the status is Running so it doesn't appear to be tied-up, but it just sits there (I left it there for over an hour). Any ideas? Any help is greatly appreciated. Thanks.