S note are disabled in Galaxy note 2 i have galaxy note 2(GT-N7100) with  Android 4.4.2(updated)
S note program is good for taking notes
but when I remove the S Pen this program is not running
also I can not find program in Menu
i go to application   manager but see that program is disabled and can't run it again

how can i re-enable it
you said :


  when I remove the S Pen, this program is not running.


Download the Latest Version Of S-Pen And S-Note, then install.And check results.!

or you can try factory Reset.