(Suite) Rated 4 out of 5 stars

Correction : after new tests, i think that the problem comes from "DownloadHelper" (used for videos).

When i unactive it, all is fine but when i reactive it and try a video download with "DownloadHelper" the problems appear...Before Firefox v19.0, it worked perfectly... :/

Reported too to "DownloadHelper" page :

This user has a previous review of this add-on.