The 5 digit PIN in the File section of the program is any 5 digits you select. It is only used to e-file the tax return and has nothing to do with the 6 digit IP PIN you received from the IRS.
To enter, edit or delete a 6 digit IP PIN
Click on Federal Taxes (Personal using Home and Business)
Click on Other Tax Situations
Scroll down to Other Return Info
On Identity Protection PIN, click the start button