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FF4 does not recognize any of my add ons.. How Can I reinstall FF3.16.

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I installed FF4 today.. Installation notified that none of my add ons were recognized by FF4. How can I reinstall the last version of FF3.16?? I work with my add ons regularly...

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Logon to and search for Firefox, there on the left you sould see a list of all the previous version. Select the latest version of firefox 3.6 (3.6.16) and download it.

To revert back simply double click the install file for 3.6 and install it, it should revert you back whilst keep your profile intact, at least it did for me.

Modified by James