Security Update 2014-002 it won't allow my macbook to update. HELP!!

HELP!!

For myself to have the Security Update 2014-002 it won't allow my macbook to update.

After i check the checkbox of Security Update 2014-002, it tells me to restart but i restarted

about 4 times & it never really updated itself. Can Somebody help me how do solve this?

Currently I have Operating System X Lion.