Retrying 'FindPackagesByIdAsyncCore' for source 'https://nexus-cn/repository/nuget-group/FindPackagesById()?id='Moq'&semVerLevel=2.0.0'. An error occurred while sending the request. The request was aborted: The request was canceled. The ServicePointManager does not support proxies with the https scheme. Retrying 'FindPackagesByIdAsyncCore' for source 'https://nexus-cn/repository/nuget-group/FindPackagesById()?id='NLog.Web.AspNetCore'&semVerLevel=2.0.0'. Response status code does not indicate success: 401 (Unauthorized).
原因：登录用户的密码输错了，清理后重新输入就好了。
在控制面板->凭据管理器->Windows Credentials->找到VS Credential 删除，再次Restore NuGet 后会再次提示输入机器登录名和密码，输入正确就解决了。
标签：status,code,Unauthorized,indicate,does,401,Response From： https://www.cnblogs.com/hofmann/p/17293084.html