Where do I begin to resolve this new error when building my PCL after upgrading to all things new in the world of Xamarin.
Error 15 Unable to copy file "C:\XAMWARE\CloudCopPhone\packages\Xamarin.Forms.1.5.0.6446\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Core.dll" to "bin\Debug\Xamarin.Forms.Core.dll". The process cannot access the file 'bin\Debug\Xamarin.Forms.Core.dll' because it is being used by another process. C:\Program Files (x86)\MSBuild\12.0\bin\Microsoft.Common.CurrentVersion.targets 3797 5 CloudCopMobile