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why does firefox 4 hang in some websites, during browsing on that site ? This never happened with previous editions.

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grego
grego
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why does firefox 4 hang in some websites, during browsing on that site ? This never happened with previous editions. edit Details

why does firefox 4 hang in some websites, during browsing on that site ? This never happened with previous editions. edit Details

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cor-el
cor-el
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).

  • Don't make any changes on the Safe mode start window.

See:

Create a new profile as a test to check if your current profile is causing the problems.
See Basic Troubleshooting: Make a new profile
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins"
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