The following error is occurring when you check in Visual Studio 2013 for VSO (TFS online):
Multiple errors occurred during operation, the first of which is shown below. A full error list is available in the Output Window. c: \ users \ xxxx \ documents \ visual studio 2013 \ Projects \ Turbostore \ Turbostore.Domain.Test \ UnitTest1.cs: The request was aborted: Could not create SSL / TLS secure channel.
I'm running on a Windows 8 machine with Visual Studio 2013