Below are the exception message in catch block:
ex.Message :- The underlying connection was closed: An unexpected error occurred on a receive.
ex.StackTrace :- at System.Net.HttpWebRequest.GetResponse()
at FileDownloadManager.Utility.GetResponseFromURL(String URL)
ex.InnerException :- System.ComponentModel.Win32Exception (0x80004005): The client and server cannot communicate, because they do not possess a common algorithm
at System.Net.SSPIWrapper.AcquireCredentialsHandle(SSPIInterface SecModule, String package, CredentialUse intent, SecureCredential2 scc)
at System.Net.Security.SecureChannel.AcquireCredentialsHandle(CredentialUse credUsage, SecureCredential2& secureCredential)
at System.Net.Security.SecureChannel.AcquireCredentialsHandle(CredentialUse credUsage, X509Certificate2 selectedCert, Flags flags)