Over paid/billed

I have used turbotax for MANY years.  I have always bought the pkg at sams or downloaded it.  Always the version that runs about $49.  This year I was unemployed (retired 68years old) and basically only had social security income.  I sold my home, but did not come close to the 250,000 cap for filing.  when going thru the (what I thought was the free edition) it came out that my return was "$0", which I expected.  I get to the end to file it, and have a bill of $128.  I could not file until paid.  I then looked up on irs site, and technically I don't have to file, but I am not really comfortable with that.  How can I get this amount taken off so my taxes can be filed.