iis service manager - the process cannot access the file because it is being used by another process

if you are doing publish in local or local server.. if you change your port number application will work.. published code run in  your server or local machine

An error occurred while trying to restore packages.

 %appdata%\NuGet\NuGet.Config

 <?xml version="1.0" encoding="utf-8"?>
<configuration>
<packageRestore>
<add key="enabled" value="True" />
<add key="automatic" value="True" />
</packageRestore>
<packageSources>
<add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
<add key="nuget.org" value="https://www.nuget.org/api/v2/" />
<add key="Package source" value="E:\Download" />
</packageSources>
<activePackageSource>
<add key="All" value="(Aggregate source)" />
</activePackageSource>
</configuration>