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

I had the same problem when I tried to install VS 2015 RC from ISO. It got stuck during Android SDK Setup (API Level 19 & 21, System Images). For me the problem was metered Wi-Fi connection. The installer didn't download necessary files.

Turning off the Internet connection resolved the problem. When installation finished, it said that some components were not installed and it will try to download and install them later.