I would like to go back to the version of Firefox before I added the new Firefox 4...most of the addons I like do not work with 4...how do I go back?

The addons I use a lot are not compatible with Firefox 4...if I had known, I would have kept the older version....having a real hard time getting the old one back....The mozilla folder in my Programs has version 1.9 listed which is crazy...I had at least version 3.5 This is getting pretty frustrating...wish I had never switched...any help would be appreciated.....

To downgrade to Firefox 3.6 first uninstall Firefox 4, but do not select the option to "Remove my Firefox personal data". If you select that option it will delete your bookmarks, passwords and other user data.
You can then install the latest version of Firefox 3.6 available from http://www.mozilla.com/en-US/firefox/all-older.html - it will automatically use your current bookmarks, passwords etc.
To avoid possible problems with downgrading, I recommend going to your profile folder and deleting the following files if they exist - extensions.cache, extensions.rdf, extensions.ini, extensions.sqlite and localstore.rdf. Deleting these files will force Firefox to rebuild the list of installed extensions, checking their compatibility, and reset toolbar customizations.
For details of how to find your profile folder see https://support.mozilla.com/kb/Profiles

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