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forward and back button disabled in regular and safe mode

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just upgraded to beta 8 of ff4 and my navigation buttons don't work have tried uninstalling some add-ons and reinstalling software.

just upgraded to beta 8 of ff4 and my navigation buttons don't work have tried uninstalling some add-ons and reinstalling software.

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You should uninstall that Firefox 4.0b8 beta version and install the regular Firefox 4.0 release.


This can be a problem with the file places.sqlite that stores the bookmarks and the history.

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Extensions that may interfere with the Back Button that are already listed in Problematic extensions as creating other problems