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What do I do when the "Recently Closed Windows" menu won't open?

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  • 1 has this problem
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  • Last reply by cor-el

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I've recently been experiencing a problem where session restore does not restore all my lost windows after a Firefox crash.

Since this started occurring, my "Recently Closed Windows" History submenu will not open - although the option isn't greyed out, the menu doesn't display and instead I get a tiny blank box anchored at the submenu display point.

This originally started occurring on version 32, I am now fully upgraded to version 34.0.5 and the issue still occurs. Restarting Firefox and uninstalling/reinstalling Firefox does not solve the issue, the submenu is still not greyed out but also not displaying properly.

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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window