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Why Firefox Has Spikes In CPU Usage And Consumes A Lot Of RAM Since Security Update?

  • 1 cavab
  • 12 have this problem
  • 2 views
  • Last reply by John99

Boris_yo
Boris_yo
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After applying security update 3.6.18 i started having this problem. I had this problem earlier but it only happened after several days Firefox was opened constantly. Now i have this problem several hours later after launching Firefox.

Here is a picture of high RAM usage

Here is a picture of high RAM and CPU usage

I have Flash disabled.

What is going on? Should i reinstall Firefox 3.6.18?

After applying security update 3.6.18 i started having this problem. I had this problem earlier but it only happened after several days Firefox was opened constantly. Now i have this problem several hours later after launching Firefox. [http://i.stack.imgur.com/PJmH5.png '''Here is a picture of high RAM usage'''] '''[http://i.stack.imgur.com/tjsqt.png Here is a picture of high RAM and CPU usage]''' I have Flash disabled. What is going on? Should i reinstall Firefox 3.6.18?

Modified by Boris_yo

All Replies (1)

John99
John99
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Have you any particular reason for using an older version of Firefox.

Whilst I rarely use firefox 3.6 now, and do not know the answer I will comment that the now unsupported firefox 4 did have bad memory problems in some cases. Some of those problems were addressed in firefox 5, and others are addressed in Firefox 7, which is due out on the Aurora channel next week.

You could consider upgrading to a newer version of firefox. If you need firefox3.6 only for limited use you could consider using Firefox portable, alongside a newer version of Firefox.