This is fine, but stops working for no reason I can discover and I have to re-instal it.

Cuando abro firefox me sale el mensaje de instalación exitosa, es muy molesto

Everytime I launch Firefox, the new tab from Adblock that says "Adblock plus installation succesfull..." always open. It extremely annoying. I put my trust on another Adblock addon now.

perfecto, el mejor bloqueador existente.

ótimo, funciona de verdade

good

Before video starts playing on youtube you're facing ads for a few seconds. Such pathetic

It's good but the description of headings and their function need to be more clearly explained and differentiated. It is not totally clear what does what and if there is any overlap of functions for a lay reader.