I have asp.net web application project in visual studio 2012. When I want to start it, I have the following error:
Unable to launch the IIS Express Web server: Port"4012" is in use
This problem came from nothing.How can I resolve it ?
I have asp.net web application project in visual studio 2012. When I want to start it, I have the following error:
Unable to launch the IIS Express Web server: Port"4012" is in use
This problem came from nothing.How can I resolve it ?
Simply restarting the computer fixed this for me.
In web.csproj change the port number
Please remove your project
.vs
folder andapplicationhost.config
file and then run your code.