Android Studio 2.2.2: All packages are not available for download

Question

I installed Android Studio 2.2.2 on my system. After when I openend one of the projects which have compileSdkVersion 23, got following error,

Answer 1

I was facing the same issue. For me, it got resolved by setting proxy settings.

Android Studio > File > Settings >appearance and behavior> System Settings > HTTP Proxy

I would suggest checking any proxy is required to enable internet for your android studio. Hope this will help somebody.