title: Visual Studio no internet connection
body: <p>i installed visual studio 2015 , but i can't sign in , not even connect to tfs server , i tried to stop the firewall and to repair the VS and i tried many internet connection and provider  but nothing worked , even i tried the below solution : 
  <a href="https://stackoverflow.com/questions/31571224/visual-studio-2015-cant-sign-in-use-nuget-etc-behind-corporate-proxy">Visual Studio 2015 - Can&#39;t sign in, Use NuGet, etc. behind corporate proxy</a></p>
  
  <p>please any suggestion ? im trying since 3 days to fix this issue i can provide you team viewer access if someone can help me   </p>
  
  <p>thanks in advance </p>