Solution to The Crash Caused by 'Win7 64 + Firefox 13 + Flash 11.3'

Environment:

OS: Win 7 x64
Firefox 13/17
Flash 11.3

Syndrome:
opening the CNN website, and find out the crash screen

Solution:
Turn off the protected mode for firefox

Method:
1. edit 'C:\Windows\SysWOW64\Macromed\Flash\mms.cfg'
2. add 'ProtectedMode=0' to the bottom of the file
3. restart firefox
4. Done