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After loading Snow Leopard, Firefox has become extremely slow. I have reload FF but no help. Suggestons?

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  • 37 have this problem
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  • Last reply by cor-el

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After loading Snow Leopard, FF is extremely slow loading web pages. I have uninstalled and reinstalled FF but this did not help. Any suggestions?

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It's possible that you are having a problem with some Firefox add-on that is hindering your Firefox's normal behavior. Have you tried disabling all add-ons (just to check), to see if Firefox goes back to normal?

Whenever you have a problem with Firefox, whatever it is, you should make sure it's not caused by one (or more than one) of your installed add-ons, be it an extension, a theme or a plugin. To do that easily and cleanly, run Firefox in safe mode (don't forget to select Disable all add-ons when you start safe mode). If the problem disappears, you know it's from an add-on. Disable them all in normal mode, and enable them one at a time until you find the source of the problem. See this article for information about troubleshooting extensions and themes and this one for plugins.

If you need support for one of your add-ons, you'll have to contact its author.

If the problem does not disappear when all add-ons are disabled, please tell me, so we can work from there. Please have no fear of following my instructions to the line, as all can be easily undone.

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Thanks for your reply. I started in safe mode twice and disabled the add ons both times. It still is running very slowly. Safari and Opera browsers are running as fast as usual but I prefer to use FF. Anything else I can do?

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Create a new profile as a test to check if your current profile is causing the problems
See Basic Troubleshooting: Make a new profile

If that new profile works then you can transfer some files from the old profile to that new profile (be careful not to copy corrupted files)

See http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Modified by cor-el