Best Parental Control Software?

I was wondering what is the best parental control program for PC? I basically don’t want kids going to inappropriate sites, that is all. Thank you.
Answer #1
try using k9 web protection mate
http://www.k9webprotection.com/
Answer #2
You can try K9 web protection [Freeware]
http://www1.k9webprotection.com/
Answer #3
Depending on how old your kids are, educating them about the internet might be a wise move.
I’d rather my kids (who are now 16 & 17) looked at porn than used chatrooms when they were younger, too many paedos grooming kids on-line these days.
Answer #4
salfeld child control 2011
http://www.salfeld.com/software/parentalcontrol/index.html
Answer #5
Use this,
parentalcontrolbar.com