Thank you for writing us.
Do you use the MetaProducts Integration plugin for FireFox?
We checked the integration plugin with the latest 1.0.6 version of FireFox, it works well.
Could you please update the FireFox extension from the following link:
Please write me about the result. Thank you.
I already update Firefox. What I did was reinstall Firefox and remove all extensions then add "mpint.xpi" and also add the extension FlashGot to use it with Mass Downloader and now is working. So I not sure what was the problem.
Alexander I really appreciate your help.