System.Net.WebException: Error: TrustFailure (The authentication or decryption has failed.) ---> System.IO.IOException: The authentication or decryption has failed. ---> System.IO.IOException: The authentication or decryption has failed. ---> Mono.Security.Protocol.Tls.TlsException: Invalid certificate received from server. Error code: 0xffffffff800b010a
at Mono.Security.Protocol.Tls.RecordProtocol.EndReceiveRecord (System.IAsyncResult asyncResult) [0x00040] in <e220be0b0a364427860ee43376ab6f2b>:0
at Mono.Security.Protocol.Tls.SslClientStream.SafeEndReceiveRecord (System.IAsyncResult ar, System.Boolean ignoreEmpty) [0x00000] in <e220be0b0a364427860ee43376ab6f2b>:0
at Mono.Security.Protocol.Tls.SslClientStream.NegotiateAsyncWorker (System.IAsyncResult result) [0x00071] in <e220be0b0a364427860ee43376ab6f2b>:0
--- End of inner exception stack trace ---
at Mono.Security.Protocol.Tls.SslClientStream.EndNegotiateHandshake (System.IAsyncResult result) [0x0003b] in <e220be0b0a364427860ee43376ab6f2b>:0
at Mono.Security.Protocol.Tls.SslStreamBase.AsyncHandshakeCallback (System.IAsyncResult asyncResult) [0x0000c] in <e220be0b0a364427860ee43376ab6f2b>:0
--- End of inner exception stack trace ---
at Mono.Security.Protocol.Tls.SslStreamBase.EndRead (System.IAsyncResult asyncResult) [0x00057] in <e220be0b0a364427860ee43376ab6f2b>:0
at Mono.Net.Security.Private.LegacySslStream.EndAuthenticateAsClient (System.IAsyncResult asyncResult) [0x00011] in <59be416de143456b88b9988284f43350>:0
at Mono.Net.Security.Private.LegacySslStream.AuthenticateAsClient (System.String targetHost, System.Security.Cryptography.X509Certificates.X509CertificateCollection clientCertificates, System.Security.Authentication.SslProtocols enabledSslProtocols, System.Boolean checkCertificateRevocation) [0x0000e] in <59be416de143456b88b9988284f43350>:0
at Mono.Net.Security.MonoTlsStream.CreateStream (System.Byte[] buffer) [0x00044] in <59be416de143456b88b9988284f43350>:0
--- End of inner exception stack trace ---
at System.Net.WebClient.DownloadFile (System.Uri address, System.String fileName) [0x000c9] in <59be416de143456b88b9988284f43350>:0
at System.Net.WebClient.DownloadFile (System.String address, System.String fileName) [0x00019] in <59be416de143456b88b9988284f43350>:0
at (wrapper remoting-invoke-with-check) System.Net.WebClient
ownloadFile (string,string)
at Duplicati.Library.AutoUpdater.UpdaterManager.CheckForUpdate (Duplicati.Library.AutoUpdater.ReleaseType channel) [0x00104] in <ce303623ae204e12bee6b72a7d2e022b>:0