Yeah it's not specifically a popup blocker but it denies the blocked hosts and so they can't popup any ads.
At least that's the result I've experienced. I've not had any popups giving 404's
If you try to access a blocked site IE doesn't give you a 404 it totally denies access.
At least that's the result I've experienced. I've not had any popups giving 404's
If you try to access a blocked site IE doesn't give you a 404 it totally denies access.