There was a problem getting an AppDomain to run the transformation from the host.The process cannot continue. while adding a View or Controller in asp.net mvc.

This is generally a Common Problem or the error could be like this,

To Resolve this error, One Small Solution is Exists which is as below,

1/ Close the Visual Studio.
2/ Open the Visual Studio as Run as Administrator and After that you can able to add View or Controller.

The main reason behind the issue is Permission Issue.