Intrusion Prevention not working

Help! I have tried to fix my intrusion prevention, I have done live update, and restarted it. I have tried to turn it on but it goes right back to off, and the one button fix NEVER helps.  I have tried reading all the forums about it, but nothing seems to help, if you could help me that would be awesome.

 

I am using the latest version as of this date.

I can't find a way to fix this, I am sort of skilled with computers, I just do not know what I'm doing when it comes to Norton.

 

But from past posts, I understand that its not from any viruses, and my computer has been running the same as it was when the intrusion prevention was on.

 

Please find a way to help me!