Hi Monay,
How often does KB2267602 appear on Windows Update?
A new set of definitions is released every 3-4 hours under the same KB number (i.e., KB2267602). So, it's normal to see KB2267602 appearing when you check for updates.
Open PowerShell admin and run:
get-mpcomputerstatus
get-mppreference
Copy the output and post it here.