NOW what? Sin puntuar aún

This worked like a dream until a few days ago. Now it blocks too much, and some pages are blank even.And for instance facebook whines that javascript is turned off. Which it isn´t. Same thing with the "plain" Adblock add-on. Havent installed anything new for a long time,so dunno..Using ff 2.0.0.12. So with this add-on screwed up ff aint THAT great anymore. Competitors here I come.

Esta valoración es de una versión anterior del complemento (0.7.5.3). 

That's what the forum is for

Adblock Plus doesn't block *anything* by itself, it all depends on the filters you have in your list. If you filters are messed up (e.g. because some firewall software messed with downloads), you might get into this trouble. Fortunately, finding out what went wrong is easy enough - and if you ask in the forum you will get help very soon.