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I run firefox 24/7 bit once a week I have to stop / restart to clear the build up in memmory after restart ram has dropped by 1Gig why

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Over a week of use you can see the memory level steadily increasing over time on the ram monitors, by simply restarting Firefox and reloading all the pages I use as standard the memory level has dropped by 1Gig and does not instantly rise again but slowly over the week. Does this mean that there is a leaky program leaving unused buts in the ram, or is it just all the add on programs that you can not get rid of not clearing until the restart?

Thanks
Neil
Over a week of use you can see the memory level steadily increasing over time on the ram monitors, by simply restarting Firefox and reloading all the pages I use as standard the memory level has dropped by 1Gig and does not instantly rise again but slowly over the week. Does this mean that there is a leaky program leaving unused buts in the ram, or is it just all the add on programs that you can not get rid of not clearing until the restart? Thanks Neil

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Update your Shockwave Flash v14. http://get.adobe.com/shockwave/

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https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram?esab=a&s=memory&r=0&as=s

Firefox uses too much memory (RAM) - How to fix This article describes how to make Firefox use less memory to make it run faster and prevent crashes.

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Start Firefox in Safe Mode {web link} While you are in safe mode; Press the <Alt> or <F10> key to bring up the tool bar. Followed by;

Windows; Tools > Options Linux; Edit > Preferences Mac; application name > Preferences

Then Advanced > General. Look for and turn off Use Hardware Acceleration.