小编Pal*_*veR的帖子

I want to download osu! avatars to use them, but keep getting this error:

The SSL connection could not be established.

Inner exception is:

System.Net.Http.HttpRequestException: The SSL connection could not be established, see inner exception. ---> System.Security.Authentication.AuthenticationException: Authentication failed, see inner exception. ---> System.ComponentModel.Win32Exception: ???????? ?????????????? ????????? ??? ??? ????? ???????????? ??????

Example url: https://a.ppy.sh/10638551?1524507784.png

I tried using HttpClient and WebClient but without any success.

using(HttpClient client = new HttpClient())
{
     var resp = await client.GetAsync("https://a.ppy.sh/10638551?1547998515.jpeg");
     var responseStr = await …