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with a Mac does not open fully, top tool bar does not come up and I cannot drag a page to look at another page.

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  • 3 have this problem
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  • Last reply by cor-el

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Have a MAC Pro. When I start up page does not open fully, tool bar does not appear and when I want to drag a page over to look another page, it will not drag. I cannot understand most solutions. Need a simple solution.

Have a MAC Pro. When I start up page does not open fully, tool bar does not appear and when I want to drag a page over to look another page, it will not drag. I cannot understand most solutions. Need a simple solution.

Chosen solution

Make sure you do not run Firefox in Full Screen mode (press F11 or Fn + F11 to toggle; Mac: Command+Shift+F).


Try to rename/remove xulstore.json and when present delete localstore.rdf in the Firefox profile folder with Firefox closed.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

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Make sure you are not blocking content.

Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

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Chosen Solution

Make sure you do not run Firefox in Full Screen mode (press F11 or Fn + F11 to toggle; Mac: Command+Shift+F).


Try to rename/remove xulstore.json and when present delete localstore.rdf in the Firefox profile folder with Firefox closed.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.