what should i do???? Rated 3 out of 5 stars

since i use the fire-bug, many times i click the "fire-bug" icon on browser,but notthing with it(it means no respone),so i try install
it again and again ,only this i can use it ,what is wrong with it?????
and i from china my english is not good ,so you can understand me ???????

This review is for a previous version of the add-on (  This user has a previous review of this add-on.