{"action":"opened","issue":{"url":"https://api.github.com/repos/shadowsocks/shadowsocks-windows/issues/825","repository_url":"https://api.github.com/repos/shadowsocks/shadowsocks-windows","labels_url":"https://api.github.com/repos/shadowsocks/shadowsocks-windows/issues/825/labels{/name}","comments_url":"https://api.github.com/repos/shadowsocks/shadowsocks-windows/issues/825/comments","events_url":"https://api.github.com/repos/shadowsocks/shadowsocks-windows/issues/825/events","html_url":"https://github.com/shadowsocks/shadowsocks-windows/issues/825","id":184827805,"number":825,"title":"无法使用代理，日志显示缺少方法","user":{"login":"MyDeity","id":7804799,"avatar_url":"https://avatars.githubusercontent.com/u/7804799?v=3","gravatar_id":"","url":"https://api.github.com/users/MyDeity","html_url":"https://github.com/MyDeity","followers_url":"https://api.github.com/users/MyDeity/followers","following_url":"https://api.github.com/users/MyDeity/following{/other_user}","gists_url":"https://api.github.com/users/MyDeity/gists{/gist_id}","starred_url":"https://api.github.com/users/MyDeity/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MyDeity/subscriptions","organizations_url":"https://api.github.com/users/MyDeity/orgs","repos_url":"https://api.github.com/users/MyDeity/repos","events_url":"https://api.github.com/users/MyDeity/events{/privacy}","received_events_url":"https://api.github.com/users/MyDeity/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-24T12:33:45Z","updated_at":"2016-10-24T12:33:45Z","closed_at":null,"body":"Please read Wiki carefully, especially https://github.com/shadowsocks/shadowsocks-windows/wiki/Troubleshooting.\r\nPlease answer these questions before submitting your issue. Thanks!\r\n\r\n### Version(release version or AppVeyor link)\r\n3.3.4\r\n\r\n### Environment(Operating system, .NET Framework, etc)\r\nWin 7 x64 .NET framework 4.5\r\n\r\n### Steps you have tried\r\n\r\n\r\n### What did you expect to see?\r\n\r\n\r\n### What did you see instead?\r\n\r\n\r\n### Config and error log in detail (with all sensitive info masked)\r\nSystem.MissingMethodException: Method not found: 'Void System.Security.Cryptography.RandomNumberGenerator.GetBytes(Byte[], Int32, Int32)'.\r\n   at Shadowsocks.Encryption.IVEncryptor.randBytes(Byte[] buf, Int32 length)\r\n   at Shadowsocks.Encryption.IVEncryptor.Encrypt(Byte[] buf, Int32 length, Byte[] outbuf, Int32& outlength)\r\n   at Shadowsocks.Controller.TCPHandler.PipeConnectionReceiveCallback(IAsyncResult ar)"}}
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