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loading and operating have become miserably slow since upgrading to 3.6

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ever since my last update, I can go make a sandwich after clicking on firefox, then come back and catch the screen loading just in time. It's been miserably slow to load and slow to respond to keyboard controls as well. I'm having no problems with other browsers or programs. Running xp on 3.2 gig pentium processor with 4 megs of ram, so.....

ever since my last update, I can go make a sandwich after clicking on firefox, then come back and catch the screen loading just in time. It's been miserably slow to load and slow to respond to keyboard controls as well. I'm having no problems with other browsers or programs. Running xp on 3.2 gig pentium processor with 4 megs of ram, so.....

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Firefox 3.6 is faster than 3.5 was, which was faster than 3.0, which was .... etc.

Try a new Profile.
http://kb.mozillazine.org/Creating_a_new_Firefox_profile_on_Windows

Then transfer your personal data into the new Profile.
http://support.mozilla.com/en-US/kb/Recovering+important+data+from+an+old+profile