If you already registered, e-filed or paid, you cannot clear and start over. If you have not e-filed you can still make changes by clicking on Add a State and going back into your return. You do not really have to add a state return, but that trick will let you back in to make changes. What do you need to change?
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**