Visual Studio 2015 installer hangs during install?

Question

I downloaded the full ISO for Visual Studio Ultimate CTP 6. The installation program got to about the 90% mark, gauging by the progress bar, and just stuck there. There wa

Answer 1

For me it helped to stop the installation service forcefully using task manager. If Visual Studio was installed in Features & Programs then uninstall it, restart computer and try to install it again.

When starting the installation make sure to be have reliable internet connection