When you apply for an EIN you indicated you would file a partnership form 1065 and that is what the IRS expects you to file. If you will not run the business as a partnership with your spouse then you need to file a first and final 1065 showing zero income. You do not need a program to do this ... just get the form from the IRS web site and fill it in manually and paper file it.
Then if you want to just be a sole proprietor you should get a new EIN although you don't need one unless you will collect sales taxes or have employees.
