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Hex Problems with asp.net core 2

core
aspnet-core
aspnet

#1

Hey guys,

sry for my bad english. I have user the Quick setup options, i become alltime this error:

An unhandled exception occurred while processing the request.
XmlException: ‘.’, hexadecimal value 0x00, is an invalid character. Line 1, position 1.
System.Xml.XmlTextReaderImpl.Throw(Exception e)

CryptographicException: An error occurred while trying to encrypt the provided data. Refer to the inner exception for more information.
Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Protect(Byte] plaintext)

XmlException: ‘.’, hexadecimal value 0x00, is an invalid character. Line 1, position 1.
System.Xml.XmlTextReaderImpl.Throw(Exception e)
System.Xml.XmlTextReaderImpl.Throw(string res, String] args)
System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
System.Xml.XmlTextReaderImpl.ParseDocumentContent()
System.Xml.XmlTextReaderImpl.Read()
System.Xml.XmlReader.MoveToContent()
System.Xml.Linq.XElement.Load(XmlReader reader, LoadOptions options)
System.Xml.Linq.XElement.Load(Stream stream, LoadOptions options)
System.Xml.Linq.XElement.Load(Stream stream)
Microsoft.AspNetCore.DataProtection.Repositories.FileSystemXmlRepository.ReadElementFromFile(string fullPath)
Microsoft.AspNetCore.DataProtection.Repositories.FileSystemXmlRepository+d__11.MoveNext()
System.Collections.Generic.List.AddEnumerable(IEnumerable enumerable)
System.Linq.Enumerable.ToList(IEnumerable source)
Microsoft.AspNetCore.DataProtection.Repositories.FileSystemXmlRepository.GetAllElements()
Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager.GetAllKeys()
Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingProvider.CreateCacheableKeyRingCore(DateTimeOffset now, IKey keyJustAdded)
Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingProvider.Microsoft.AspNetCore.DataProtection.KeyManagement.Internal.ICacheableKeyRingProvider.GetCacheableKeyRing(DateTimeOffset now)
Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingProvider.GetCurrentKeyRingCore(DateTime utcNow)
Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingProvider.GetCurrentKeyRing()
Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Protect(Byte] plaintext)

Show raw exception details
CryptographicException: An error occurred while trying to encrypt the provided data. Refer to the inner exception for more information.
Microsoft.AspNetCore.DataProtection.KeyManagement.KeyRingBasedDataProtector.Protect(Byte] plaintext)
Microsoft.AspNetCore.Authentication.SecureDataFormat.Protect(TData data, string purpose)
Microsoft.AspNetCore.Authentication.SecureDataFormat.Protect(TData data)
Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler.WriteNonceCookie(string nonce)
Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler+d__20.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Authentication.AuthenticationHandler+d__53.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Authentication.AuthenticationService+d__11.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Mvc.ChallengeResult+d__14.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+d__19.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+d__24.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResultExecutedContext context)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+d__22.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+d__17.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker+d__15.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Builder.RouterMiddleware+d__4.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+d__6.MoveNext()
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware+d__7.MoveNext()

Show raw exception details

Now who can i remove this error?
thank you