Microsoft Emulator problem in Visual Studio Community 2017 to Version 15.7.5

I upgraded the Visual Studio Community 2017 to Version 15.7.5 and now the emulator seems to have problems. The Hyper-V Manager shows the emulator is working but it is not recognized in Visual Studio IDE. Visual Studio, Microsoft Edge and Hyper-V are the only active screens.

Here is the Hyper-V Manager screen:

There is a link in the Windows Phone message that takes you no where.