I know you're gonna tell me to "get the latest version of Firefox" but I have had this issue before even when my current version was the latest and greatest.
Is there some setting I can activate that would clear things up? Wife says she cannot upload a picture to her beloved Facebook from Firefox. Not that I care too much about her stuff (she's not looking so I can say that now.) Work on my stuff first, then we'll think about hers. Deal? Cool.
Anyhoo, here's the linky: