Snoopy: You say you have pop-ups disabled, but check if someone didn't define exceptions. It's under options->contents, you have the checkbox for "block pop-ups", and on the same line a button "exceptions", where you can define which sites are allowed pop-ups. I remember there was a malware that filled that "exceptions" part with loads of sites. So even if you get rid of the malware, the exceptions are still there.
(hide) You can use some of the simpler HTML on your messages or, if you're a paying member, can also use the Rich Text Editor. (pauloaguia) (show all tips)