Help me in this IIS error

Question

I am using visual studio i have created web service when i am running on client it works but when i am deploying it on IIS and run it it gets error.

Francis · Answer

Try to check the runtime that you are using on IIS. The problem is you have developed with one runtime and deployed in different run time.

Iqrar Ali · Answer

how i fix it i have developed it in vs2013 and setting pool 4.0 on IIS