In user_membership_profile.php at line line 55 you have

<input type=”checkbox” name=”pack_recuring” id=”pack_recuring” value=”1″ style=”display:block;” />

replace that with

<input checked type=”checkbox” name=”pack_recuring” id=”pack_recuring” value=”1″ style=”display:block;” />

If you are doing this via child theme look over this article also :http://help.wpresidence.net/article/technical-how-to-child-theme/