I have created new project and run, it was build successfully after that through an error.
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https://stackoverflow.com/questions/18454751/unable-to-launch-the-iis-express-web-server-error – Chidambaram Nov 16 '17 at 05:47
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Thanks @chidambaram – Pradip Talaviya Nov 16 '17 at 06:01
3 Answers
I had same issue occured and i fixed this issue by just remove the "applicationhost.config" file from your Project directory
-> .vs
folder -> config
folder -> remove the applicationhost.config
and clean & build project and run your project. It will successfully run your project

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I solved the same issue by creating virtual directory (Solution Explorer > Right Click on Project > Web > Create Virtual Directory and ticking 'Override application root URL'

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I faced similar issue and was able to fix it by updating the port number. In Solution Explorer --> Right Click and select Properties --> Web tab update the port number. I.e. My previous port was 57860 and I changed it to 57862. It fixed my issue.
You can also fix this by closing IISExpress.exe in Task Manager --> Details tab simple.

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