My nav (including principal) bars have disappeared. What can I do?

This is on a Mac, and I have no way to make the most of navigation, with the exception of commands such as command-q. No way to perform an Internet search or enter a web address.

Make sure that you run not Firefox mode full screen (press F11 or Fn + F11 to toggle; Mac: Command + SHIFT + F).

Try to rename (or delete) the file xulstore.json in the Firefox profile folder.

You can use this button to go to the current Firefox profile folder:

Tags: Firefox

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