Replication error sql server 2005

[ME_Learner]

Hi I am getting following error when configuring Distributor or New Publication.I am trying to make local server as distributor and publisher.Can anyone help me to get rid of following error: ================================== SQL Server could not configure 'WIN2K3STD' as a Distributor. (Microsoft.SqlServer.ConnectionInfo) =================================== Property LoginSecure cannot be changed or read after a connection string has been set. (Microsoft.SqlServer.ConnectionInfo) ------------------------------ Program Location: at Microsoft.SqlServer.Management.Common.ConnectionSettings.ThrowIfConnectionStringIsSet(String propertyName) at Microsoft.SqlServer.Management.Common.ConnectionSettings.get_LoginSecure() at Microsoft.SqlServer.Management.UI.ReplicationSqlConnection.InstallDistributor(WizardInputs inputs, Boolean bScripting) at Microsoft.SqlServer.Management.UI.ConfigureDistributionWizard.InstallDistributor(Boolean& anyExceptions, Boolean bScripting, ApplicationException& outerEx, StringBuilder command)