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All was okay before 3.6.18 but after security update it started eating a lot of RAM and spiking frequent high CPU usage. Here are screenshots:

RAM usage

CPU usage

Currently have running Internet Explorer 8.0, Chrome 12.0.742.112 and Firefox 3.6.18.

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Why not upgrade to Firefox 5? – random Jul 2 '11 at 0:07
3.6 is now at its end of should upgrade and that may fix it – Simon Sheehan Jul 2 '11 at 0:11
Also, I hate to say it, FF3 is a memory hog. Looks annoyingly familiar to me. – baraboom Jul 2 '11 at 3:13

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