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Why is firefox consuming an inordinate amount of memory, to the point that AVG asks me to shut down firefox and restart it?

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Firefox consumes a LOT of memory. AVG warns of inordinate memory use by firefox and suggests closing and restarting firefox. Please advise. Using Windows XP

Firefox consumes a LOT of memory. AVG warns of inordinate memory use by firefox and suggests closing and restarting firefox. Please advise. Using Windows XP

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uninstall AVG, it's useless antivirus software anyway. Download avast! Free Antivirus 6

http://www.avast.com/free-antivirus-download

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How much RAM does your PC have? And what amount is AVG warning you about? Is it anywhere near half or 3/4 of your RAM?