Do a review of your returns. When you see a mistake, open the form (all the way back to the original form) by going to Search, entering the form, clicking on jump to form, then going back to it. Where you see the same entry that was shown on the review as an item needing correction, try clicking on backspace as many times as needed until your cursor is at the far left of the line for the description or number. Repeat it for each problem line. Then go back to review and see if it corrected. You will find a 100% red seal if it did. Then you can e-file.