Unhandled Exception: System.ServiceModel.Security.MessageSecurityException: The security timestamp is invalid because its creation time ('2013-04-03T12:49:05.000Z') is in the future

While connecting to Plugin Registration Tool, i got the following error

Unhandled Exception: System.ServiceModel.Security.MessageSecurityException: The security timestamp is invalid because its creation time ('2013-04-03T12:49:05.000Z') is in the future. Current time is '2013-04-03T12:41:50.807Z' and allowed clock skew is '00:05:00'.

Server stack trace: 
   at System.ServiceModel.Security.SecurityTimestamp.ValidateFreshness(TimeSpan timeToLive, TimeSpan allowedClockSkew)
   at System.ServiceModel.Security.SecurityTimestamp.ValidateRangeAndFreshness(TimeSpan timeToLive, TimeSpan allowedClockSkew)
   at System.ServiceModel.Security.ReceiveSecurityHeader.ReadTimestamp(XmlDictionaryReader reader)
   at System.ServiceModel.Security.ReceiveSecurityHeader.ExecuteFullPass(XmlDictionaryReader reader)
   at System.ServiceModel.Security.ReceiveSecurityHeader.Process(TimeSpan timeout, ChannelBinding channelBinding, ExtendedProtectionPolicy extendedProtectionPolicy)
   at System.ServiceModel.Security.TransportSecurityProtocol.VerifyIncomingMessageCore(Message& message, TimeSpan timeout)
   at System.ServiceModel.Security.TransportSecurityProtocol.VerifyIncomingMessage(Message& message, TimeSpan timeout)
   at System.ServiceModel.Security.SecurityProtocol.VerifyIncomingMessage(Message& message, TimeSpan timeout, SecurityProtocolCorrelationState[] correlationStates)
   at System.ServiceModel.Channels.SecurityChannelFactory`1.SecurityRequestChannel.ProcessReply(Message reply, SecurityProtocolCorrelationState correlationState, TimeSpan timeout)
   at System.ServiceModel.Channels.SecurityChannelFactory`1.SecurityRequestChannel.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]: 
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at Microsoft.IdentityModel.Protocols.WSTrust.IWSTrustContract.Issue(Message message)
   at Microsoft.IdentityModel.Protocols.WSTrust.WSTrustChannel.Issue(RequestSecurityToken rst, RequestSecurityTokenResponse& rstr)
   at Microsoft.Xrm.Sdk.Client.ServiceConfiguration`1.Issue(AuthenticationCredentials authenticationCredentials)
   at Microsoft.Xrm.Sdk.Client.ServiceConfiguration`1.AuthenticateInternal(AuthenticationCredentials authenticationCredentials)
   at Microsoft.Xrm.Sdk.Client.ServiceConfiguration`1.AuthenticateCrossRealm(ClientCredentials clientCredentials, String appliesTo, Uri crossRealmSts)
   at Microsoft.Xrm.Sdk.Client.ServiceProxy`1.AuthenticateCore()
   at Microsoft.Xrm.Sdk.Client.ServiceProxy`1.ValidateAuthentication()
   at Microsoft.Xrm.Sdk.Client.ServiceContextInitializer`1.Initialize(ServiceProxy`1 proxy)
   at Microsoft.Xrm.Sdk.Client.OrganizationServiceContextInitializer..ctor(OrganizationServiceProxy proxy)
   at Microsoft.Xrm.Sdk.Client.OrganizationServiceProxy.RetrieveMultipleCore(QueryBase query)
   at Microsoft.Crm.Tools.PluginRegistration.OrganizationServiceExtensions.RetrieveMultipleAllPages(IOrganizationService service, QueryBase query)
   at Microsoft.Crm.Tools.PluginRegistration.OrganizationHelper.LoadMessages(CrmOrganization org, ProgressIndicator prog)
   at Microsoft.Crm.Tools.PluginRegistration.MainForm.LoadMessages(CrmOrganization org)
   at Microsoft.Crm.Tools.PluginRegistration.ConnectionsForm.OpenConnection(CrmOrganization org)

This happen because my system time is wrong. it running 10 mins slow. I just updated my system time with correct one, this issue got resolved and i'm able to login to Plugin Registration Tool.

Hope this helps!