On my old browser, version 12.17 I had a few websites such as piratebay which has very persistent pop ups and all I needed to do was to right click and go to the site specific settings to be able to block all pop-ups, images whatever I like and it worked perfectly.
Now with version 28 there is a general pop-up manage exceptions that is useless for these "persistent" websites.
Thankfully this version 28 installed separately and I'm still using the old version because of this.
Why is the older version better at blocking these? And can you please add the site specific settings back the way they used to work.

Thread is a bit old, but if anyone is having the same issues I resolved it by updating to a different email address, then change it back to the original email again and it resent the verification email