Where is it? Rated 3 out of 5 stars

Um, right, I've clicked on Add to FireFox, Install, Restart FireFox... & now what? No indication of where it is, did a search in my User profile & Programs for "contentblock-regex.txt" - not a bean!

This review is for a previous version of the add-on (0.0.11m). 

Read, understand and follow instructions please.