my system preferences keeps quitting unexpectedly and doesn't open how can i fix it?

Mac OS X: How to troubleshoot a software issue

<http://support.apple.com/kb/HT1199>

Isolating issues in Mac OS X

<http://support.apple.com/kb/TS1388>

Your System preferences plist file likely has gotten corrupted, it's a easy fix

Finder > Go To Folder and paste this

/Library

and press Go.

Scroll down until you see the

com.apple.systempreferences.plist

there may be two of them, one you can move, so move that one to the Trash or desktop

reboot and open System Preferences and reset your preferences trash the old file.

https://discussions.apple.com/docs/DOC-3046

https://discussions.apple.com/community/notebooks/macbook_pro?view=documents