I think the question is not properly phrased. Please re-phrase the question.
If this is what you are trying to say, then that makes no sense.
When you know that the data given is correct and still the application is not being displayed, then a defect should be logged saying that the authentication part is not working. If you want to validate the data, validate it before entering it in QTP and then run the script.
If this is what you are trying to say, then that makes no sense.
When you know that the data given is correct and still the application is not being displayed, then a defect should be logged saying that the authentication part is not working. If you want to validate the data, validate it before entering it in QTP and then run the script.