I do App Tabs they are NOT open, and I can find them when I closed and reopened FF4.

App Tabs are supposed to stay open, available whenever you open FF4. They are not. I have make them and close. When I reopen it, they aren't there. I can't find anything to find them. 'Help' does not recognize "tab app" at all, despite my version being listed as 4.0.1.

If you cannot locate the Firefox profile folder and then use this button:

  • Help > troubleshooting information > profile directory: opens showing the file

Tags: Firefox

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