IIS Express Web server cannot create a file that already exists

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I'm trying to launch an ASP.NET Framework in C# project on localhost but I'm getting this error from Visual Studio 2019.

Unable to launch the IIS Express Web server.

Output from IIS Express:
Failed to register URL "https://localhost:44318/" for site "***" application "/". Error description: Cannot create a file that already exists. (0x800700b7)

I'm sure that I don't have other servers running on localhost on the port 44318. When I'm using port 44317 or 8080 (is unused too) then, I've this problem in Google Chrome:

This site can’t provide a secure connection

Also answer below form this question Unable to launch the IIS Express Web server doesn't help me.

Try deleting the automatically-created IISExpress folder, which is usually located at %userprofile%/Documents, e.g. C:\Users\[you]\Documents\IISExpress.

How could I solve this problem?

asp.net
.net
iis-express
asked on Stack Overflow Jun 18, 2020 by H. Pauwelyn

0 Answers

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