Rated 5 out of 5 stars

Από τον/την ___ ___ στις Μάρτιος 24, 2011 · μόνιμος σύνδεσμος

I just upgraded to FF4 but couldn't find the Gmail Manager interface (normally at the lower right corner of the window). This is because Firefox 4 loaded with the so-called "Add-on Bar" disabled.

The solution is to enable it in the menu Firefox -> Options -> Add-on Bar (or Ctrl - / key).