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 a similar problem. My solution was to switch off the antivirus software (Avast), download the .iso file, mount it (double click in the Windows Explorer on the .iso file), and then run it from the PowerShell with admin rights with the following switches:

.\vs_community.exe /NoWeb /NoRefresh

This way you don't have to go offline or remove your existing installation.