[Error: [DBNETLIB][ConnectionOpen (ParseConnectParams()).]Inv]

I am getting the following error on Step #3 Registration Details.

 

Windows Error:

 

An error has occured executing the call 'SetEmailTemplateSessionVariables' - [DBNETLIB][ConnectionOpen (ParseConnectParams()).]Invalid connection.

 

PasswordState Error:

 

Debug Information 

Error: [DBNETLIB][ConnectionOpen (ParseConnectParams()).]Invalid connection. 

Stack Trace: at System.Data.OleDb.OleDbConnectionInternal..ctor(Ol eDbConnectionString constr, OleDbConnection connection) at System.Data.OleDb.OleDbConnectionFactory.CreateCon nection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.Creat eNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup) at System.Data.ProviderBase.DbConnectionFactory.GetCo nnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenCo nnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.OleDb.OleDbConnection.Open() at cs_lib.RegisterPasswordstate(String LicenseType, String RegistrationName, String NoLicenses, Object SupportExpires, String RegistrationKey, Boolean CalledFromSetup)