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i don't know why they moved the localhost out of the range of valid targets. maybe localhost makes it easy for malware to access the local computer.<br />
<br />
you may think to using %computername% for your web app which would resolve to the current ip6 or ip4 address.<br />
<br />
Sara
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Hi Experts,<br />
<br />
Today when I turned on my computer it started some update. After it is done I can not run my web app from Visual studio 2013. &nbsp;I am using the localhost. and getting the attached error. Please help.<br />
<br />
Thanks in advance.<br />
<a href="https://filedb.experts-exchange.com/incoming/2017/11_w46/1210819/Error1.png" target="_blank" class="file-inline" title="Error1.png (55 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>Error1.png</a>
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Error1.png

Hi Experts,

Today when I turned on my computer it started some update. After it is done I can not run my web app from Visual studio 2013.  I am using the localhost. and getting the attached error. Please help.

Thanks in advance.

Visual Studio 2013 Can not run Web app using Local host after Windows10 update

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

Windows OS

Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft. It is used to develop computer programs for Microsoft Windows, as well as web sites, web applications and web services. Visual Studio uses Microsoft software development platforms such as Windows API, Windows Forms, Windows Presentation Foundation, Windows Store and Microsoft Silverlight. It can produce both native code and managed code.