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The web address bar no longer displays the url of the open tab, the refresh button doesn't work any longer, and the more time FF is open, the slower it eventually runs.

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Downloaded FF4 a while back. Not the beta version. All seemed to work well for a while. Then the aforementioned problems began. I did not add any plugins or make any changes at all. Web site addresses do not show in tabs, and the refresh button is non-functional. After FF4 has been open a while, it begins to run slower and slower as if there is a memory leak.

Downloaded FF4 a while back. Not the beta version. All seemed to work well for a while. Then the aforementioned problems began. I did not add any plugins or make any changes at all. Web site addresses do not show in tabs, and the refresh button is non-functional. After FF4 has been open a while, it begins to run slower and slower as if there is a memory leak.

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