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Firefox taking much more memory than what it says

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  • Last reply by FredMcD

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I'm kinda confused right now because windows task manager is saying that firefox is taking 490mb of memory but firefox task manager says that firefox is only taking a little bit of memory. Is this supposed to happen?

I'm kinda confused right now because windows task manager is saying that firefox is taking 490mb of memory but firefox task manager says that firefox is only taking a little bit of memory. Is this supposed to happen?
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In screenshot 2, click the arrow on the left and show it to us.


Start Firefox using Troubleshoot(Safe) Mode {web link}

A small dialog should appear. Click Start In Troubleshoot(Safe) Mode (not Refresh). Is the problem still there?


https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster

https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix

https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-ram

https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding

https://support.mozilla.org/en-US/kb/firefox-takes-long-time-start-up

https://support.mozilla.org/en-US/kb/quick-fixes-if-your-firefox-slows-down

https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-or-cpu-resources


MemTest Could you please run a tool from http://memtest.org/ in order to check the integrity of your RAM?

You will need a thumb or disk drive to install it on.


Do you let Windows handle the page file or did you set a fixed size ? Control Panel -> System -> Advanced -> Performance -> Settings

If you use a fixed size for the page file then try the former and let Windows handle the page file. How to determine the appropriate page file size for 64-bit versions of Windows {web link}