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FF launches twice on start-up

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JBFortLauderdale
JBFortLauderdale
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Recently FF launches twice on start-up.

The second is with a BING page.

My start-up folder only has one FF in it. How do I stop this.

Recently FF launches twice on start-up. The second is with a BING page. My start-up folder only has one FF in it. How do I stop this.

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cor-el
cor-el
  • Top 25 Contributor
  • Moderator
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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

You can open the about:config page via the location bar and search for prefs that refer to TEXT and reset related user set (bold) prefs via the right-click context menu to the default value.