Problems With Firefox????...............
http://vistarewired.com/2007/04/17/how-to-really-reduce-the-memory-usage-in-firefox-2
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WinCustomize Forums
I'm one of those people that ditched Firefox after suffering memory leaks - and there are quite a few people out there who don't even realise they have a problem - but I just came across this article which might help. Thought it worth sharing with you. The website, itself, is quite interesting too, for Vista users