I am a university teacher and use Moodle. Recently when I (in Firefox) log in to a course I have created in Moodle, and go to a page that contains URLs to lecture films (xxx.wmv) I have made, they will [all] start playing even when I have not clicked on any film URL. This does not happen in Internet Explorer. I am running Firefox 3.6.13 (Swedish). My impression is that when I "enter" the page that contains URLs to films, Firefox is industrious and starts a prefetch, but is overambitious and goes ahead and also starts the films. I have tried tightening the reigns by requiring in Tools/Options/Programmes that Firefox Always Asks about *.wmv files, and emptying cache and suchlike. But he fault keeps turning up, at least the second time I go to the page after I have clicked on the film URL after having emptied the cache. On my computer at work I use Firefox 3.6.10 (English). All this does not happen there. So one suspicion is that the fault is version dependant. To check this theory, I would like to retract to version 3.6.10 and see if it helps. Hence my original question: Where can I download previous versions of Firefox? And more specifically version 3.6.10. /Håkan Joëlson