'could not start the application, there are missing the information file or workgroup, or is open in exclusive mode by another user - TRANSLATION FROM the portuguese error. .oData.cProvider = "Microsoft.Jet.OLEDB.4.0" .oData.cConnectionString = "Data Source="+lcDataPath+";" + ; "Persist Security Info=False;" + ; "UserID='';" + ; "PASSWORD=TEST;"Thanks's