Forum Moderators: mack
According to my knowledge, popup`s are difficult to block, because it generates from the host you browsing. Not generates in your machine.But if you disable some advance cookies you may can stop some popus in Mozila browser, but it disterbs the userfriendlyness of the internet browsing.
Basically, popups / popunders are called (most of the time) via the use of a Javascript, so the client computer. You can allow or block them using the Google Bar for instance. This is only possible when a user is surfing from sites to sites. If you are the webmaster of a site, and you don't want popups, then check the advertising your installed on your pages ;)
Hope this helps;
pH
These tend to block popups which are generated by Javascript on body load. Popup windows generated by target attributes in links aren't affected (ones generated by Javascript can be though).